#include<bits/stdc++.h>
using namespace std;
int main()
{
	double a,b;
	cin>>a>>b;
	cout<<fixed<<setprecision(9)<<a/b;
    return 0;
}

using namespace std;
#define PI 3.14159
int main(){
	double a,b;
	cin >> a >> b;
	cout << fixed << setprecision(9) << a/b;
}