#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;

using isize = size_t;
using i32 = int;
using u32 = unsigned int;
using i64 = long long;
using u64 = unsigned long long;
using i128 = __int128_t;
using u128 = __uint128_t;
using f64 = long double;
using p2 = pair<i64, i64>;
using el = tuple<i64, i64, i64>;
using mint = atcoder::modint998244353;

void _main();
int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout << fixed << setprecision(18);
  _main();
}

i64 pow(i64 x, i64 n) {
  i64 res = 1;
  i64 t = x;
  while (n > 0) {
    if (n & 1) {
      res = res * t;
    }
    t = t * t;
    n >>= 1;
  }
  return res;
}
i64 pow(i64 x, i64 n, i64 m) {
  i64 res = 1;
  i64 t = x % m;
  while (n > 0) {
    if (n & 1) {
      res = res * t % m;
    }
    t = t * t % m;
    n >>= 1;
  }
  return res;
}

void _main() {
  i64 a, b;
  cin >> a >> b;
  if (a < 0 && b < 0) a = -a, b = -b;
  bool minus = a < 0 || b < 0;
  if (a == 0) {
    cout << "0\n";
    return;
  }
  if (minus) {
    cout << "-";
  }
  a = abs(a), b = abs(b);
  cout << a / b;
  a %= b;
  cout << ".";
  for (i64 i = 0; i < 20; i++) {
    assert(a < b);
    a *= 10;
    cout << a / b;
    a %= b;
  }
  cout << "\n";
}