import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;

public class No0169 {
	public static void main(String[] args) {
		try (BufferedReader br = 
				new BufferedReader(new InputStreamReader(System.in))) {
	        int K = Integer.parseInt(br.readLine());
	        int S = Integer.parseInt(br.readLine());
	        // %あたりの時間
	        int tm = S / (100 - K);
	        System.out.println(100* tm);
	        
		} catch (IOException e) {
			e.printStackTrace();
		}
    }
}