#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
signed main() { 
  ios::sync_with_stdio(false); cin.tie(0);
  int64_t a, b;
  cin >> a >> b;
  vector<int> ans;
  int64_t x = a, y = b;
  for (int i = 0; i < 100; i++) {
    int64_t z = x / y;
    ans.push_back(z);
    x -= z * y;
    x *= 10;
  }
  int d = 0;
  while (a) {
    a /= 10;
    d++;
  } 
  for (int i = 0; i < d + 50; i++) {
    if (i == d) cout << '.';
    cout << ans[i];
  }
  cout << endl;
  return 0;
}