Problem:
Score : 100 points

Problem Statement

Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below.
Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.

Constraints

x and y are integers.

1 ≤ x < y ≤ 12

Input

Input is given from Standard Input in the following format:

x y

Output

If x and y belong to the same group, print Yes; otherwise, print No.

Sample Input 1

1 3

Sample Output 1

Yes

Sample Input 2

2 4

Sample Output 2

No

Solution in C# (Mono 4.6.2.0) (judge verdict: Accepted)

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ABC_062
{
    class A_062
    {
        static void Main(string[] args)
        {
            ArrayList A_Group = new ArrayList();
            A_Group.Add(1);
            A_Group.Add(3);
            A_Group.Add(5);
            A_Group.Add(7);
            A_Group.Add(8);
            A_Group.Add(10);

            ArrayList B_Group = new ArrayList();
            B_Group.Add(4);
            B_Group.Add(6);
            B_Group.Add(9);
            B_Group.Add(11);

            string[] n = Console.ReadLine().Split(' ');
            int n1 = int.Parse(n[0]);
            int n2 = int.Parse(n[1]);

            if(A_Group.Contains(n1) && A_Group.Contains(n2))
            {
                Console.WriteLine("Yes");
            }
            else if(B_Group.Contains(n1) && B_Group.Contains(n2))
            {
                Console.WriteLine("Yes");
            }
            else if(n1 == 2 && n2 == 2)
            {
                Console.WriteLine("Yes");
            }
            else
            {
                Console.WriteLine("No");
            }
        }
    }
}