package algo;

import java.util.*;

public class sample7 {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String a1 = sc.next();
		String a2 = sc.next();
		String a3 = sc.next();
		if(a1.equals("2") && a2.equals("3")) {
			System.out.println(1);
		}
		if(a1.equals("3") && a2.equals("2")) {
			System.out.println(4);
		}
		if(a2.equals("2") && a3.equals("3")) {
			System.out.println(4);
		}
		if(a2.equals("3") && a3.equals("2")) {
			System.out.println(1);
		}
		if((a1.equals("2") && a3.equals("3")) || (a1.equals("3") && a3.equals("2"))) {
			System.out.println(14);
		}
	}
}