public static void pn(Object... l1) {
for (int i = 0; i < l1.length; i++) {
if (i != 0) out.print(' ');
out.print(l1[i].toString());
}
out.println();
}
public static void pn(Collection l1) {
boolean first = true;
for (Object e : l1) {
if (first) first = false;
else out.print(' ');
out.print(e.toString());
}
out.println();
}
boolean solve2() {
int t = nextInt();
if (t == 0) return false;
int n = nextInt();
Tower[] towers = new Tower[t];
for (int i = 0; i < t; i++) {
towers[i] = new Tower(new Point(nextInt(), nextInt()), nextInt());
}
n++;
Point[] p = new Point[n];
for (int i = 0; i < n; i++) {
p[i] = new Point(nextInt(), nextInt());
}
// System.err.println(Arrays.toString(p));
ArrayList<Point> points = new ArrayList<Point>();
double r = 1;
for (int i = 0; i < n - 1; i++) {
double dist = p[i].dist(p[i + 1]) - (1 - r);
int e = (int) Math.floor(dist + 1 - EPS);
Point v = p[i + 1].subtract(p[i]).norm();
for (int j = 0; j < e; j++) {
points.add(p[i].add(v.multiply(j).add(v.multiply(1 - r))));
}
r = p[i + 1].dist(points.get(points.size() - 1));
}
if (p[n - 1].dist(points.get(points.size() - 1)) > 0.5 - EPS) {
points.add(p[n - 1]);
}
// System.err.println(points);
char last = 0;
ArrayList<String> ans = new ArrayList<String>();
for (int i = 0; i < points.size(); i++) {
double maxP = Integer.MIN_VALUE;
char here = 0;
for (int j = 0; j < t; j++) {
double w = towers[j].get(points.get(i));
if (maxP < w - EPS) {
maxP = w;
here = (char) (j + 'A');
}
}
if (here != last) {
ans.add("(" + i + "," + here + ")");
}
last = here;
}
for (int i = 0; i < ans.size(); i++) {
if (i != 0) out.print(" ");
out.print(ans.get(i));
}
out.println();
return true;
}
public static void main(String[] args) {
PrintWriter pw;
Scanner sc;
try {
sc = new Scanner(new File("input.txt"));
BigInteger a, b, c;
a = sc.nextBigInteger();
b = sc.nextBigInteger();
c = a.divide(b);
// System.out.println(firstTeam+" "+secondTeam);
pw = new PrintWriter(new File("output.txt"));
pw.print(c);
pw.close();
} catch (IOException e) {
}
}
public void print(Object... objects) {
for (int i = 0; i < objects.length; i++) {
if (i != 0) writer.print(' ');
writer.print(objects[i]);
}
}