#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  ll a, b;
  cin >> a >> b;
  if (a * b < 0) cout << '-';
  a = abs(a), b = abs(b);
  cout << a / b << '.';
  rep(_, 100) {
    a = (a % b) * 10;
    assert(0 <= a && a < 10 * b);
    cout << a / b;
  }
  cout << '\n';
  return 0;
}