#include<bits/stdc++.h>
// #include<atcoder/all>

using namespace std;
// using namespace atcoder;
using ll = long long;
using ull = unsigned long long;
using P = pair<int,int>;
#define rep(i,n) for(ll i = 0;i < (ll)n;i++)
#define ALL(x) (x).begin(),(x).end()
#define MOD 1000000007


int main(){
  
  ll k = 0;
  rep(i,3){
    ll a;cin >> a;
    k += a;
  }
  cout << (k%3 == 0 ? "Yes\n" : "No\n");



  return 0;
}