public static void main(String[] args) throws FileNotFoundException {
Scanner sc = new Scanner(new File("J.in"));
for (int z = 1; ; z++) {
int R = sc.nextInt();
int T = sc.nextInt();
if (R == 0 && T == 0) break;
int[][] flow = new int[R + 3][R + 3];
int s = flow.length - 2;
int e = flow.length - 1;
for (int i = 0; i < T; i++) {
int a = sc.nextInt();
int b = sc.nextInt();
flow[a][b]++;
flow[b][a]++;
}
flow[0][e] = 100000000;
int[] cost = new int[R + 1];
for (int i = 0; i < cost.length; i++) {
if (i == 0) cost[0] = Integer.MAX_VALUE;
else {
int[][] fl = new int[R + 3][R + 3];
for (int j = 0; j < fl.length; j++)
for (int k = 0; k < fl.length; k++) fl[j][k] = flow[j][k];
fl[s][i] = 100000000;
cost[i] = maxflow(s, e, fl);
}
}
// System.out.println(Arrays.toString(cost));
int f = dijkstra(1, 0, cost, flow);
System.out.println("Case " + z + ": " + f + "\n");
}
}
public void solve() throws Exception {
int n = in.nextInt();
int[] a = new int[n];
int sum = 0;
for (int i = 0; i < n; i++) {
a[i] = in.nextInt();
sum += a[i];
}
sum /= 2;
boolean[] dp = new boolean[sum + 1];
dp[0] = true;
for (int tmp : a) {
for (int i = sum; i >= tmp; i--) {
if (dp[i - tmp]) {
dp[i] = true;
}
}
}
String ans = dp[sum] ? "YES" : "NO";
out.println(ans);
}
/*setup the game */
private void setup() {
t0 = System.currentTimeMillis(); /*Times the beginning of the game */
// int size;
Scanner in = new Scanner(System.in);
// System.out.println("Enter the size of available");
// size = in.nextInt();
initiateScores();
placeWalls();
placeStates();
placeLabels();
randomizeOrderRent(); /*randomizes the order of the equipment for the On Rent state */
System.out.println(
"How many High Runners at price $" + EQUIPMENTCOSTS[0] + " do you want to buy?");
int type1Equip = in.nextInt();
System.out.println(
"How many Medium Runners at price $" + EQUIPMENTCOSTS[1] + " do you want to buy?");
int type2Equip = in.nextInt();
System.out.println(
"How many Low Runners at price $" + EQUIPMENTCOSTS[2] + " do you want to buy?");
int type3Equip = in.nextInt();
capitalInvested =
EQUIPMENTCOSTS[0] * type1Equip
+ EQUIPMENTCOSTS[1] * type2Equip
+ EQUIPMENTCOSTS[2] * type3Equip;
capitalLabel.setLabel("Capital Invested: $" + capitalInvested);
fillAvailable(type1Equip, type2Equip, type3Equip); // fills with the proper number of equipment
// fillStates(size,INITRENT,INITSHOP);
placeEquipments();
}
void run() {
Scanner sc = new Scanner(System.in);
int oo = sc.nextInt();
for (int o = 1; o <= oo; o++) {
que = new PriorityQueue<E>();
int n = sc.nextInt();
tank = new Tank();
count = 0;
int[] h = new int[n + 3], b = new int[n + 3];
h[0] = 100;
b[0] = 0;
h[n + 1] = 50;
b[n + 1] = 100;
h[n + 2] = 50;
b[n + 2] = INF;
for (int i = 1; i <= n; i++) {
b[i] = sc.nextInt();
h[i] = sc.nextInt();
}
n += 3;
for (int i = 1; i < n; i++) {
tank.bs.add(new Box(b[i - 1], b[i], h[i - 1], h[i], 0, 0));
}
int m = sc.nextInt();
for (int i = 0; i < m; i++) {
int f = sc.nextInt();
double a = sc.nextDouble() / 30;
for (Box box : tank.bs) {
if (box.b1 < f && f < box.b2) box.f += a;
}
}
debug(tank.bs);
int l = sc.nextInt();
res = new double[l];
for (int i = 0; i < l; i++) {
que.offer(new W(sc.nextInt(), sc.nextDouble(), i));
}
que.offer(tank.nextEvent());
debug(que.size());
while (!que.isEmpty()) {
if (res[0] < 0) System.exit(1);
que.poll().go();
debug(que.peek().time());
debug(tank.bs);
debug(res);
debug();
if (count == l) break;
}
for (double r : res) {
System.out.println(r);
}
}
}
public void solve() {
while (input.hasNext()) {
String s = input.nextLine();
s = s.replaceAll("[0\\.\\)]", "");
String[] t = s.split("\\(");
long a = Long.valueOf(t[0]);
long b = Long.valueOf(t[1]);
long x = a * ((long) pow(10, t[1].length()) - 1) + b;
long y = ((long) pow(10, t[1].length()) - 1) * (long) pow(10, t[0].length());
System.out.println(x);
System.out.println(y);
System.out.printf((x / gcd(x, y)) + "/" + (y / gcd(x, y)));
}
}
public int[] readIntArray(int n) {
int[] ret = new int[n];
for (int i = 0; i < n; i++) {
ret[i] = sc.nextInt();
}
return ret;
}
public void solve() throws Exception {
int x = sc.nextInt();
int y = sc.nextInt();
StringBuilder sb = new StringBuilder();
String p = null;
String m = null;
if (x >= 0) {
p = "E";
m = "W";
} else {
p = "W";
m = "E";
}
x = abs(x);
for (int i = 0; i < x; i++) {
sb.append(m + p);
}
if (y >= 0) {
p = "N";
m = "S";
} else {
p = "S";
m = "N";
}
y = abs(y);
for (int i = 0; i < y; i++) {
sb.append(m + p);
}
out.println(sb);
}
public static void main(String[] args) throws Exception {
Scanner in = new Scanner(System.in);
int n = in.nextInt();
boolean[] seen = new boolean[n];
cycle = new boolean[n];
f = new int[n];
for (int i = 0; i < n; i++) {
int num = in.nextInt() - 1;
seen[num] = true;
f[i] = num;
}
boolean[] min_S = new boolean[n];
int min = 0;
for (int i = 0; i < n; i++)
if (!seen[i]) {
min++;
int x = i;
while (!min_S[x]) {
min_S[x] = true;
x = f[x];
}
}
for (int i = 0; i < n; i++) {
if (!min_S[i]) {
min++;
int x = i;
while (!min_S[x]) {
min_S[x] = true;
x = f[x];
}
}
}
S = new boolean[n];
for (int i = 0; i < n; i++) {
if (!S[i]) dfs(i);
}
int max = cycle_cnt;
for (int i = 0; i < n; i++) if (!cycle[i]) max++;
System.out.println(min + " " + max);
}
public void run() {
// Scanner sc = new Scanner(System.in);
Scanner sc = new Scanner();
StringBuilder sb = new StringBuilder(1000000);
// System.setOut(new PrintStream(new BufferedOutputStream(System.out)));
final int N = sc.nextInt();
final int M = sc.nextInt();
final int K = (int) floor(sqrt(N));
final int[] A = new int[N + 1];
A[0] = 1;
for (int i = 1; i <= N; i++) A[i] = sc.nextInt();
final int[] next = new int[N + 1];
final int[] step = new int[N + 1];
final int[] last = new int[N + 1];
for (int i = N; i > 0; i--) {
int j = i + A[i];
if (j > N || j / K > i / K) {
last[i] = i;
step[i] = 1;
next[i] = j;
} else {
last[i] = last[j];
step[i] = step[j] + 1;
next[i] = next[j];
}
}
for (int t = 0; t < M; t++)
if (sc.nextInt() == 1) {
int i = sc.nextInt();
int j = 0;
int k = 0;
while (i <= N) {
j += step[i];
k = last[i];
i = next[i];
}
sb.append(k).append(' ').append(j).append('\n');
// System.out.println(k + " " + j);
} else {
int k = sc.nextInt();
int b = k / K * K;
A[k] = sc.nextInt();
for (int i = min(b + K - 1, N); i >= b; i--) {
int j = i + A[i];
if (j > N || j / K > i / K) {
last[i] = i;
step[i] = 1;
next[i] = j;
} else {
last[i] = last[j];
step[i] = step[j] + 1;
next[i] = next[j];
}
}
}
// System.out.flush();
System.out.print(sb);
}
protected String solve(Scanner sc) {
int N = sc.nextInt();
int K = sc.nextInt();
char[][] board = new char[N][];
for (int i = 0; i < N; i++) board[i] = sc.next().toCharArray();
char[][] rot = new char[N][N];
for (int i = 0; i < N; i++) for (int j = 0; j < N; j++) rot[i][j] = board[N - j - 1][i];
char[][] grav = new char[N][N];
for (int i = 0; i < N; i++) for (int j = 0; j < N; j++) grav[i][j] = '.';
for (int i = 0; i < N; i++)
for (int j = N - 1, c = 0; j >= 0; j--)
if (rot[j][i] == '.') c++;
else grav[j + c][i] = rot[j][i];
// for (char[] cs : grav)
// debug(new String(cs));
int[][][] R = new int[N][N][4];
int[][][] B = new int[N][N][4];
for (int i = 0; i < N; i++)
for (int j = 0; j < N; j++)
switch (grav[i][j]) {
case 'B':
{
for (int d = 0; d < 4; d++)
B[i][j][d] = (in(i + di[d], j + dj[d], N) ? B[i + di[d]][j + dj[d]][d] : 0) + 1;
break;
}
case 'R':
{
for (int d = 0; d < 4; d++)
R[i][j][d] = (in(i + di[d], j + dj[d], N) ? R[i + di[d]][j + dj[d]][d] : 0) + 1;
break;
}
}
boolean Rwin = false, Bwin = false;
for (int i = 0; i < N; i++)
for (int j = 0; j < N; j++)
for (int d = 0; d < 4; d++) {
if (R[i][j][d] >= K) Rwin = true;
if (B[i][j][d] >= K) Bwin = true;
}
return Rwin ? Bwin ? "Both" : "Red" : Bwin ? "Blue" : "Neither";
}
void run() {
System.out.println("INTERSECTING LINES OUTPUT");
for (N = input.nextInt(); N != 0; --N) {
P p[] = new P[4];
for (int i = 0; i < 4; ++i) {
double x = input.nextDouble();
double y = input.nextDouble();
p[i] = new P(x, y);
}
P ans = isLL(p[0], p[1], p[2], p[3]);
if (ans != null) {
System.out.printf("POINT %.2f %.2f", ans.x, ans.y);
System.out.println();
} else {
System.out.println(oneLine(p) ? "LINE" : "NONE");
}
}
System.out.println("END OF OUTPUT");
}
public void solve() {
int t = input.nextInt();
init();
while (t-- > 0) {
int n = input.nextInt();
int ans = 0;
int b[] = new int[n];
Arrays.fill(b, 0);
for (int i = 2; i <= n; i++) {
if (a[i] == 1 && n % a[i] == 0) {
int t = i;
while (t <= n) {
b[t] = 1;
t += i;
}
} else ans++;
}
System.out.println(ans);
}
}
void run() {
Scanner sc = new Scanner(System.in);
int gx = sc.nextInt();
int gy = sc.nextInt();
int p = sc.nextInt();
boolean[][][] mat = new boolean[2][gx + 1][gy + 1];
for (int i = 0; i < p; i++) {
int x1 = sc.nextInt();
int y1 = sc.nextInt();
int x2 = sc.nextInt();
int y2 = sc.nextInt();
mat[x1 == x2 ? 1 : 0][min(x1, x2)][min(y1, y2)] = true;
}
int[][] dp = new int[gx + 1][gy + 1];
dp[0][0] = 1;
for (int x = 0; x <= gx; x++)
for (int y = 0; y <= gy; y++) {
if (x > 0 && !mat[0][x - 1][y]) dp[x][y] += dp[x - 1][y];
if (y > 0 && !mat[1][x][y - 1]) dp[x][y] += dp[x][y - 1];
}
if (dp[gx][gy] == 0) System.out.println("Miserable Hokusai!");
else System.out.println(dp[gx][gy]);
}
public void solve() throws Exception {
long a = in.nextLong();
long b = in.nextLong();
long ans = 0;
while (a != 0 && b != 0) {
if (a > b) {
ans += a / b;
a = a % b;
} else {
ans += b / a;
b = b % a;
}
}
out.println(ans);
}
/** @param args */
public static void main(String[] args) throws Exception {
File file = new File("B-small-practice.in");
if (file.exists()) {
System.setIn(new BufferedInputStream(new FileInputStream(file)));
}
sc = new Scanner(System.in);
FileWriter fw = new FileWriter(new File("output.txt"));
out = new PrintWriter(fw);
Bsmall b = new Bsmall();
int T = sc.nextInt();
int t = 1;
while (t <= T) {
out.print("Case #" + t + ": ");
b.solve();
t++;
}
out.close();
fw.close();
}
/** @param args */
public static void main(String[] args) throws Exception {
out = System.out;
File file = new File("input.txt");
if (file.exists()) {
System.setIn(new BufferedInputStream(new FileInputStream("input.txt")));
}
sc = new Scanner(System.in);
POJ3109 p = new POJ3109();
while (true) {
try {
N = sc.nextInt();
if (N == 0) {
break;
}
} catch (Exception ex) {
break;
}
p.solve();
}
}
public void diff(int id, String small, String large) {
try {
Scanner sm = new Scanner(new File(small));
Scanner lg = new Scanner(new File(large));
int line = 0;
while (sm.hasNextLine() && lg.hasNextLine()) {
String s = sm.nextLine();
String l = lg.nextLine();
if (!s.equals(l)) {
System.out.println(line + ">" + s);
System.out.println(line + "<" + l);
}
line++;
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
for (int N = sc.nextInt(); N > 0; N = sc.nextInt()) {
int M = sc.nextInt();
int L = sc.nextInt();
boolean[][] map = new boolean[N][N];
int[][] D = new int[N][N];
int[][] E = new int[N][N];
while (M-- > 0) {
int A = sc.nextInt() - 1;
int B = sc.nextInt() - 1;
map[A][B] = map[B][A] = true;
D[A][B] = D[B][A] = sc.nextInt();
E[A][B] = E[B][A] = sc.nextInt();
}
boolean[][] visited = new boolean[N][L + 1];
Queue<Edge> q = new PriorityQueue<Edge>();
q.offer(new Edge(0, 0, L));
while (!q.isEmpty()) {
Edge e = q.poll();
if (visited[e.to][e.money]) continue;
visited[e.to][e.money] = true;
if (e.to == N - 1) {
System.out.println(e.enemy);
break;
}
for (int i = 0; i < N; i++)
if (map[e.to][i]) {
if (D[e.to][i] <= e.money) q.offer(new Edge(e.enemy, i, e.money - D[e.to][i]));
q.offer(new Edge(e.enemy + E[e.to][i], i, e.money));
}
}
}
}
public void solve() throws Exception {
n = in.nextInt();
m = in.nextInt();
graph = new char[n][m];
cracked = new boolean[n][m];
for (int i = 0; i < n; i++) {
graph[i] = in.next().trim().toCharArray();
}
sx = in.nextInt() - 1;
sy = in.nextInt() - 1;
gx = in.nextInt() - 1;
gy = in.nextInt() - 1;
cracked[sx][sy] = true;
if (sx == gx && sy == gy) {
if (graph[sx][sy] == 'X') {}
}
int scount = 0;
for (int i = 0; i < 4; i++) {
int nx = sx + dx[i];
int ny = sy + dy[i];
if (nx < 0 || nx > n - 1 || ny < 0 || ny > m - 1) {
continue;
}
if (graph[nx][ny] == '.') {
scount++;
}
}
int gcount = 0;
for (int i = 0; i < 4; i++) {
int nx = gx + dx[i];
int ny = gy + dy[i];
if (nx < 0 || nx > n - 1 || ny < 0 || ny > m - 1) {
continue;
}
if (graph[nx][ny] == '.') {
gcount++;
}
}
boolean isNeighbors = false;
for (int i = 0; i < 4 && !isNeighbors; i++) {
int nx = sx + dx[i];
int ny = sy + dy[i];
if (nx < 0 || nx > n - 1 || ny < 0 || ny > m - 1) {
continue;
}
if (nx == gx && ny == gy) {
isNeighbors = true;
}
}
if (sx == gx && sy == gy) {
if (graph[sx][sy] == 'X') {
if (scount >= 1) {
out.println("YES");
} else {
out.println("NO");
}
} else {
if (scount >= 2) {
out.println("YES");
} else {
out.println("NO");
}
}
} else if (isNeighbors) {
if (graph[gx][gy] == 'X') {
out.println("YES");
} else {
if (gcount >= 1) {
out.println("YES");
} else {
out.println("NO");
}
}
} else if (dfs(sx, sy)) {
if (graph[gx][gy] == 'X') {
out.println("YES");
} else {
if (gcount >= 2) {
out.println("YES");
} else {
out.println("NO");
}
}
} else {
out.println("NO");
}
}
public void run() {
Scanner sc = new Scanner(System.in);
int T = sc.nextInt();
sc.nextLine();
for (int t = 1; t <= T; t++) System.out.printf("Case #%s: %s%n", t, solve(sc));
}
public void solve() throws Exception {
P[] ps = new P[N];
Map<Integer, Set<Integer>> map = new HashMap<Integer, Set<Integer>>();
for (int i = 0; i < N; i++) {
P p = new P();
p.x = sc.nextInt();
p.y = sc.nextInt();
ps[i] = p;
if (!map.containsKey(p.x)) {
Set<Integer> set = new HashSet<Integer>();
map.put(p.x, set);
}
map.get(p.x).add(p.y);
}
Arrays.sort(
ps,
new Comparator<P>() {
@Override
public int compare(P p1, P p2) {
if (p1.x != p2.x) {
return p1.x - p2.x;
}
return p1.y - p2.y;
}
});
List<Pair> yp = new ArrayList<Pair>();
for (int i = 0; i < ps.length - 1; i++) {
if (ps[i].x != ps[i + 1].x) continue;
int lidx = i + 1;
while (lidx + 1 < ps.length && ps[i].x == ps[lidx + 1].x) {
lidx++;
}
Pair pair = new Pair();
pair.s = ps[i].y;
pair.l = ps[lidx].y;
pair.base = ps[i].x;
yp.add(pair);
i = lidx;
}
Arrays.sort(
ps,
new Comparator<P>() {
@Override
public int compare(P p1, P p2) {
if (p1.y != p2.y) {
return p1.y - p2.y;
}
return p1.x - p2.x;
}
});
List<Pair> xp = new ArrayList<Pair>();
for (int i = 0; i < ps.length - 1; i++) {
if (ps[i].y != ps[i + 1].y) continue;
int lidx = i + 1;
while (lidx + 1 < ps.length && ps[i].y == ps[lidx + 1].y) {
lidx++;
}
Pair pair = new Pair();
pair.s = ps[i].x;
pair.l = ps[lidx].x;
pair.base = ps[i].y;
xp.add(pair);
i = lidx;
}
int ans = 0;
for (int i = 0; i < yp.size(); i++) {
int xnow = yp.get(i).base;
int sy = yp.get(i).s;
int ly = yp.get(i).l;
for (int j = 0; j < xp.size(); j++) {
int y = xp.get(j).base;
if (y < sy || ly < y) continue;
if (xp.get(j).s > xnow || xp.get(j).l < xnow) continue;
try {
if (!map.get(xnow).contains(y)) {
ans++;
map.get(xnow).add(y);
}
} catch (Exception ex) {
}
}
}
ans += ps.length;
out.println(ans);
}
public static void main(String[] args) {
int sec = sc.nextInt() + sc.nextInt() + sc.nextInt() + sc.nextInt();
System.out.println(sec / 60);
System.out.println(sec % 60);
}