#include <iostream>
#include <cmath>
using namespace std;
int main(){
	double n,m;
	scanf("%lf",&n);
	scanf("%lf",&m);
	if(n / m < 1000) {
		cout << 0 << "\n";
	}else{
		cout << n / m / 1000*1000 << "\n";
	}
}