import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int t = sc.nextInt();
int s = sc.nextInt();
if(s == 0 && 12 <= t && t <= 16) {
System.out.println("320");
}else {
System.out.println("280");
}
sc.close();
}
}