#include <stdio.h>
using namespace std;
int main() {
    int n, x;
    scanf("%d %d", &n, &x);
    int max_cups = (n * 1000) / x;
    printf("%d\n", max_cups);
    return 0;
}
/**************************************************************
	Problem: 1309
	User: fuhoubin
	Language: C++
	Result: Wrong Answer
****************************************************************/