#include <iostream>
using namespace std;
int main() {
    int x,y,z;
    cin >> x >> y >> z;
    if (x%3==0) cout << "yes" << endl;
    else if (y%3==0) cout << "yes" << endl;
    else if (z%3==0) cout << "yes" << endl;
    else cout << "no" << endl;
    return 0;
}