// K% finished,and it will take S minutes.

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main(void){
	int K,S;
	
	scanf("%d%d",&K,&S);
	
	
// 	printf("%d %d\n",K,S);		//	check
	
	
	printf("%d\n",S*100/(100-K));
	
	return 0;
}