import java.util.Arrays;
import java.util.LinkedList;
import java.util.Scanner;

public class Main {
	
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		final int K = sc.nextInt();
		final int S = sc.nextInt();
		
		System.out.println(S * 100 / (100 - K));
	}
	
}