import java.io.*;
import java.util.*;


public class Main_yukicoder632 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		char c1 = sc.next().toCharArray()[0];
		char c2 = sc.next().toCharArray()[0];
		char c3 = sc.next().toCharArray()[0];

		if (c1 == '?' && c2 == '2') {
			pr.println(4);
		} else if (c1 == '?' && c2 == '3') {
			pr.println(1);
		} else if (c1 == '2' && c2 == '?') {
			pr.println(14);
		} else if (c1 == '3' && c2 == '?') {
			pr.println(14);
		} else if (c1 == '2' && c3 == '?') {
			pr.println(1);
		} else if (c1 == '3' && c3 == '?') {
			pr.println(4);
		}
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(System.in);
		pr = new Printer(System.out);

		solve();

		pr.close();
		sc.close();
	}

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}