package m.shin;
import java.util.Scanner;

public class Kadomatsuretsu {

	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		String[] c = new String[3];
		for(int i = 0;i < 3;i++){
			c[i] = s.next();
		}
		s.close();

		switch(c[1]){
		case "?" : System.out.println("14");
		break;
		case "2" : System.out.println("4");
		break;
		case "3" : System.out.println("1");
		break;
		}

	}

}