#define _USE_MATH_DEFINES
#include<stdio.h>
#include<string>
#include<iostream>
#include<cctype>
#include<cstdio>
#include<vector>
#include<stack>
#include <algorithm>
#include<math.h>
#include<set>
#include<map>
#include<iomanip>
using namespace std;


int main(){
	long long int a,b;
	cin>>a>>b;
	b*=1000;
	a/=b;
	a*=1000;
	cout<<a<<endl;

	return 0;
}