import java.util.Scanner;

public class yukicoder_169 {
	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);
		
		int k = stdIn.nextInt();
		int s = stdIn.nextInt();
		
		int time = (100 * s) / (100 - k); 
		
		System.out.println(time);
	}
}