#include<iostream>
using namespace std;

int main() {
    int capacity, cupSize;
    cin >> capacity >> cupSize;
    int maxCups = capacity * 1000 / cupSize;
    cout << maxCups << endl;
    return 0;
}
/**************************************************************
	Problem: 1309
	User: fuhoubin
	Language: C++
	Result: Wrong Answer
****************************************************************/