#include "bits/stdc++.h"

using namespace std;
typedef long long ll;
#define rep(i, j, n) for (int i = j; i < n; i++)
#define out(ans) cout << ans << endl;
const long long mod = 1e9 + 7;

int main() {

  ll a,b;cin>>a>>b;

  printf("%.50f\n",(double)a/b);

  return 0;
}