import java.util.Scanner;
public class No0169 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int k = sc.nextInt();
		int s = sc.nextInt();
		sc.close();
		int ans = 0;
		ans = (int)((double)s / (100 - k) * 100);
		System.out.println(ans);
	}
}