package yukicoder;

import java.util.Scanner;

public class Yuki169 {
	
	public static void main(String[] args ) {
		Scanner scan = new Scanner(System.in);
		double k = scan.nextDouble();
		double s = scan.nextDouble();
		scan.close();
		/*
		double ans1 = 100/(100-k);
		double ans2 = ans1*s;
		System.out.println(ans2);
		System.out.println((int)ans2);				
		*/
		double ans1 = 100 * s;
		double ans2 = ans1/(100-k);
		System.out.println((int)ans2);				
	}
}