#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    ll a,b; cin >> a >> b;
    cout << a / b << ".";
    ll r = a % b;
    rep(_,50) {
        r *= 10;
        cout << r / b;
        r -= (r / b) * b;
    }
    cout << endl;
}