#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
template<class T> inline bool chmax(T&a,T b){if(a<b){a=b;return 1;}return 0;}
template<class T> inline bool chmin(T&a,T b){if(a>b){a=b;return 1;}return 0;}
using ll = long long;

ll a,b;

int main(){
    ios::sync_with_stdio(false); 
    cin.tie(0);

    cin >> a >> b;
    cout << a/b << ".";
    rep(i,50){
        a%=b, a*=10;
        cout << a/b;
    }
    cout << endl;
}