import java.util.Scanner;

public class Main {
	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);
		double numA = sc.nextDouble();
		double numB = sc.nextDouble();
		double numC = (100-numA)/100;
		int numD = (int) (numB/((100-numA)/100));
		System.out.println(numD);
	}
}