#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,x,s,l;
	scanf("%d %d",&n,&x);
	l=s%100;
	s=n*1000/x+1;
	printf("%d",s);
	
}

/**************************************************************
	Problem: 1309
	User: zhengzihao3
	Language: C++
	Result: Wrong Answer
****************************************************************/