#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define ALL(v) v.begin(),v.end()
typedef long long ll;

#include <bits/stdc++.h>
using namespace std;

int main(){
  ll x,y,z;
  cin>>x>>y>>z;
  
  if((x+y+z)%3==0) cout<<"Yes"<<endl;
  else cout<<"No"<<endl;

  return 0;
}