#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using ld = long double;

int main() {
  int A, B; cin >> A >> B;
  cout << A / B << ".";
  int R = A % B;
  for (int i = 0; i < 50; i++) {
    R *= 10;
    ll C = R / B;
    cout << C;
    R -= (ll)B * C;
  }
  cout << endl;
  return 0;
}