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 (GCC 5.4.1) (judge verdict: Accepted)

#include <stdio.h>
#include <stdlib.h>

int main()
{
      int a,b,i,j;
      while(~scanf("%d%d",&a,&b))
      {
          if(a==1||a==3||a==5||a==7||a==8||a==10||a==12)
          {
              i=1;
          }
          if(b==1||b==3||b==5||b==7||b==8||b==10||b==12)
          {
              j=1;
          }
          if(a==4||a==6||a==9||a==11)
          {
              i=2;
          }
          if(b==4||b==6||b==9||b==11)
          {
              j=2;
          }
          if(a==2)
          {
              i==3;
          }
          if(b==2)
          {
              j==3;
          }
          if(i==j)
          {
              printf("Yes\n");
          }
          else
          {
              printf("No\n");
          }
      }
    return 0;
}