#include<bits/stdc++.h>
#define ll long long
#define ld long double
#define rep(i, n) for(ll i=0; i<n; i++)
#define rrep(i, n) for(ll i=n-1; i>=0; i--)
#define rep2(i, a, b) for(ll i=a; i<b; i++)
#define Pii pair<int, int>
#define Pll pair<ll, ll>
#define fi first
#define se second
#define Vi vector<int>
#define VVi vector<vector<int>>
#define Vl vector<ll>
#define VVl vector<vector<ll>>
using namespace std;
string YES[2] = {"NO", "YES"};
string Yes[2] = {"No", "Yes"};
string yes[2] = {"no", "yes"};

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

    int ave=(x+y+z)/3;

    bool ans=true;

    //a
    int sa=abs(x-ave);
    if(x>ave && sa%3!=0) ans=false;
    else if(x<ave && sa%2!=0) ans==false;

    //b
    sa=abs(y-ave);
    if(y>ave && sa%1!=0) ans=false;
    else if(y<ave && sa%2!=0) ans==false;

    //c
    sa=abs(z-ave);
    if(z>ave && sa%2!=0) ans=false;
    else if(z<ave && sa%3!=0) ans==false;

    if(ans) cout<<Yes[1]<<endl;
    else cout<<Yes[0]<<endl;

    return 0;
}