#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main()
{
  constexpr int bound = 1e9;
  ll A; cin >> A; assert( -bound <= A && A <= bound );
  ll B; cin >> B; assert( -bound <= B && B <= bound && B != 0 );
  if( ( A < 0 ) != ( B < 0 ) ){
    cout << '-';
  }
  A = abs( A );
  B = abs( B );
  cout << A / B;
  A %= B;
  if( A != 0 ){
    cout << '.';
    while( A != 0 ){
      A *= 10;
      cout << A / B;
      A %= B;
    }
  }
  cout << "\n";
}