Pair Calculate(int u) {
BigInteger ans;
Pair temp;
temp = new Pair();
if (g[u].size() == 0) {
temp.x = BigInteger.ONE;
temp.n = 1;
return temp;
}
if (g[u].size() == 1) {
temp = Calculate((int) g[u].get(0));
temp.n++;
return temp;
}
int p, q;
temp = Calculate((int) g[u].get(0));
ans = temp.x;
p = temp.n;
temp = Calculate((int) g[u].get(1));
ans = ans.multiply(temp.x);
q = temp.n;
ans = ans.multiply(C[p + q][p]);
temp.x = ans;
temp.n = p + q + 1;
return temp;
}
public static void main(String[] args) throws Exception {
BigInteger T = BigInteger.valueOf(0);
BigInteger TB = BigInteger.valueOf(0);
BigInteger NTB = BigInteger.valueOf(0);
BigInteger S = BigInteger.valueOf(0);
BigInteger MAX = BigInteger.valueOf(1);
int j;
for (j = 0; j < 100; j++) MAX = MAX.multiply(BigInteger.valueOf(10));
for (; ; ) {
int i, t, a, b;
if (in.nextToken() != StreamTokenizer.TT_NUMBER) break;
t = (int) in.nval;
if (in.nextToken() != StreamTokenizer.TT_NUMBER) break;
a = (int) in.nval;
if (in.nextToken() != StreamTokenizer.TT_NUMBER) break;
b = (int) in.nval;
// System.out.print("(");
// System.out.print(t);
// System.out.print("^");
// System.out.print(a);
// System.out.print("-1)/(");
// System.out.print(t);
// System.out.print("^");
// System.out.print(b);
// System.out.print("-1) ");
if (t == 1 || a % b != 0) {
System.out.print("bad!\n");
continue;
}
T = BigInteger.valueOf(t);
TB = BigInteger.valueOf(1);
for (i = 0; i < b; i++) {
TB = TB.multiply(T);
if (TB.compareTo(MAX) >= 0) break;
}
NTB = BigInteger.valueOf(1);
S = BigInteger.valueOf(0);
for (i = 0; i < a; i += b) {
S = S.add(NTB);
if (S.compareTo(MAX) >= 0) break;
NTB = NTB.multiply(TB);
}
if (S.compareTo(MAX) >= 0) System.out.print("bad!");
else System.out.print(S);
System.out.print("\n");
}
}
public static void main(String args[]) throws IOException {
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
while (true) {
String str = in.readLine();
// Scanner in = new Scanner(System.in);
if (str == null) {
break;
} else {
BigInteger num = new BigInteger(str);
if (str.equals("0") || str.equals("1")) {
System.out.println(str);
} else {
// BigInteger num = new BigInteger(str);
//
// System.out.println(num.subtract(BigInteger.ONE).multiply(BigInteger.valueOf(2)));
System.out.println(num.multiply(BigInteger.valueOf(2)).subtract(BigInteger.valueOf(2)));
}
}
}
}
public static boolean check(long n, int p) {
BigInteger P = BigInteger.TEN.pow(p), Q = BigInteger.TEN.pow(p - 1);
BigInteger N = BigInteger.ONE, tmp = BigInteger.valueOf(2);
while (n > 0) {
if ((n % 2) == 1) {
N = N.multiply(tmp);
N = N.mod(P);
}
tmp = tmp.multiply(tmp);
tmp = tmp.mod(P);
n >>= 1;
}
N = N.divide(Q);
if (N.equals(BigInteger.ONE) || N.equals(BigInteger.valueOf(2))) return true;
else return false;
}
public static void main(String args[]) throws Exception {
Scanner cin = new Scanner(System.in);
BigInteger s, M;
int p, i;
while (cin.hasNext()) {
p = cin.nextInt();
s = BigInteger.valueOf(4);
M = BigInteger.ONE;
M = M.shiftLeft(p).subtract(BigInteger.ONE);
for (i = 0; i < p - 2; ++i) {
s = s.multiply(s).subtract(BigInteger.valueOf(2));
while (s.bitLength() > p) {
s = s.shiftRight(p).add(s.and(M));
}
}
if (s.compareTo(BigInteger.ZERO) == 0 || s.compareTo(M) == 0) {
System.out.println(0);
continue;
}
String ans = "";
while (s.compareTo(BigInteger.ZERO) > 0) {
long buf = s.mod(BigInteger.valueOf(16)).longValue();
ans += Integer.toHexString((int) buf);
s = s.divide(BigInteger.valueOf(16));
}
for (i = ans.length() - 1; i >= 0; --i) System.out.print(ans.charAt(i));
System.out.println();
}
}
public static void main(String[] args) {
Scanner s = new Scanner(System.in);
BigInteger a = new BigInteger(s.next());
BigInteger b = new BigInteger(s.next());
BigInteger ad = a.add(b);
BigInteger mu = a.multiply(b);
System.out.println(ad);
System.out.println(mu);
}
public static void main(String[] args) {
/* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
Scanner scan = new Scanner(System.in);
BigInteger bigInteger1 = scan.nextBigInteger();
BigInteger bigInteger2 = scan.nextBigInteger();
System.out.println(bigInteger1.add(bigInteger2));
System.out.println(bigInteger1.multiply(bigInteger2));
}
public static BigInteger factorial(int i) {
BigInteger fact = new BigInteger("1");
while (i > 1) {
fact = fact.multiply(new BigInteger(new Integer(i).toString()));
i--;
}
return fact;
}
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
while (in.hasNextBigInteger()) {
BigInteger N = in.nextBigInteger();
if (N.compareTo(BigInteger.ONE) > 0) {
BigInteger two = new BigInteger("2");
N = N.multiply(two).subtract(two);
}
System.out.println(N);
}
}
void start() throws IOException {
BigInteger n = new BigInteger(reader.next());
String s = reader.next();
BigInteger answer = BigInteger.ONE;
while (n.compareTo(BigInteger.ONE) > 0) {
answer = answer.multiply(n);
n = n.subtract(BigInteger.valueOf(s.length()));
}
writer.println(answer);
}
public RSA(Random random) {
savedRandom = random;
p = getPrime(random); // p and q are arbitrary large primes
q = getPrime(random);
n = p.multiply(q);
phiN = (p.subtract(ONE)).multiply(q.subtract(ONE));
S = getPrime(random); // s is an arbitrary secret; we'll use a prime
V = S.modPow(new BigInteger("2"), n);
}
public static void main(String[] args) throws IOException {
input = new BufferedReader(new InputStreamReader(System.in));
output = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));
int cases = Integer.parseInt(read());
for (int i = 0; i < cases; i++) {
int value = Integer.parseInt(read());
BigInteger factorial = new BigInteger("" + 1);
for (int j = value; j >= 1; j--) {
factorial = factorial.multiply(new BigInteger("" + j));
}
output.println(factorial);
}
output.close();
}
private void makeKeys() {
PrimeGenerator pg = new PrimeGenerator(513, 10, sr);
do {
p = pg.getStrongPrime();
} while (p.subtract(BigIntegerMath.ONE).mod(BigIntegerMath.THREE).equals(BigIntegerMath.ZERO));
do {
q = pg.getStrongPrime();
} while (q.subtract(BigIntegerMath.ONE).mod(BigIntegerMath.THREE).equals(BigIntegerMath.ZERO));
modulus = p.multiply(q);
// Use 3 as enciphering exponent - OK since we are using salt
decipherExp =
BigIntegerMath.THREE.modInverse(
p.subtract(BigIntegerMath.ONE).multiply(q.subtract(BigIntegerMath.ONE)));
ciphertextBlockSize = (modulus.bitLength() - 1) / 8 + 1;
// Maximum size of plaintext is 6 bytes less than ciphertext
// 1 to get under modulus
// 4 for the salt
// 1 for a pad byte
plaintextBlockSize = ciphertextBlockSize - 6;
}
public static void main(String[] args) throws IOException {
Scanner scanner = new Scanner(new BufferedInputStream(System.in));
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
while (scanner.hasNextInt()) {
int n = scanner.nextInt();
int k = scanner.nextInt();
BigInteger sum = BigInteger.ONE;
for (int i = n; i > n - k; i--) {
sum = sum.multiply(BigInteger.valueOf(i));
}
for (int i = 2; i <= k; i++) {
sum = sum.divide(BigInteger.valueOf(i));
}
System.out.println(sum.toString().length());
}
}
static BigInteger mul(BigInteger x, long y, BigInteger M) {
if (y == 0) return BigInteger.ONE;
if (y % 2 == 0) return mul(x.multiply(x).mod(M), y / 2, M).mod(M);
else return mul(x.multiply(x).mod(M), y / 2, M).multiply(x).mod(M);
}
