#include<iostream>
#include<stdio.h>
#include<algorithm>
#include<vector>
#include<string.h>
#include<math.h>
#include<map>
#include<iomanip>
#include<queue>

const long long INF = 1e6+7;
const long long MOD = 1e9+7;
const double PI=acos(-1);

using namespace std;

int main(){	
	double a,b;
	cin >> a >> b;
	double ans=a/b;
	//a+=0.1;
	//b+=0.1;
	cout << fixed << setprecision(50) << ans << endl;
	return 0;
}