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>

int main(void)
{
	int x,y;
	int a=0;
	int c=0;
	
	scanf("%d %d",&x,&y);
	
	int b[]={4,6,9,11};
	
	for(int i=0;i<4;i++){
		if(x==b[i]){
			a++;
			break;
		}
	}
	for(int i=0;i<4;i++){
		if(y==b[i]){
			c++;
			break;
		}
	}
	
	if(x==2||y==2){
		printf("No\n");
	}else if((a!=0&&c==0)||(a==0&&c!=0)){
		printf("No\n");
	}else{
		printf("Yes\n");
	}
	
	return 0;
}