#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(LL i = a;i<b; i++)
#define rrep(i,a,b) for(LL i = a;i>b-1; i--)
#define INF 100000000
#define ooki 9,223,372,036,854,775,807
#define tii -9,223,372,036,854,775,808
#define PI 3.14159265359
typedef long long LL ;
int main(){
    LL a,b,c;
    cin>>a>>b>>c;
     if((a+b+c)%3==0){cout<<"Yes"<<endl;}
     else cout<<"No"<<endl;
 
}