#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int main() {
  ll A, B;
  cin >> A >> B;

  string ans;
  if (B < A) {
    ans = to_string(A / B) + ".";
    A %= B;
  } else {
    ans = "0.";
  }

  A *= 10;
  for (int i = 0; i < 50; ++i) {
    ans += to_string(A / B);
    A %= B;
    A *= 10;
  }
  cout << ans << endl;
  return 0;
}