#include <algorithm>
#include <iostream>
#include <cstring>
#include <cstdio>
#include <vector>
#include <cmath>
#include <queue>
#include <deque>
#include <cmath>
#include <map>

using namespace std;
typedef long long ll;

const double inf=1e20;
const int maxn=100+10;
const int mod=1e9+7;

int main(){
    int a,b;
    while(scanf("%d%d",&a,&b)!=EOF){
        if((a+b)%86==0){
            printf("yes\n");
        }
        else{
            printf("no\n");
        }
    }
    return 0;
}