// 誤差解チェック１
#include <bits/stdc++.h>
using namespace std;
int main()
{
  constexpr int bound = 1e9;
  int A; cin >> A; assert( -bound <= A && A <= bound );
  int B; cin >> B; assert( -bound <= B && B <= bound && B != 0 );
  double AB = A * 1.0 / B;
  cout << AB << "\n";
}