#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstring>
#include <cstdlib>
#include <cmath>
using namespace std;
using ll = long long;

int main() {
    ll x, y, z;
    cin >> x >> y >> z;

    cout << (((x + y + z) % 3 == 0) ? "Yes" : "No") << endl;

    return 0;
}