// Enjoy your stay. Code by evima

#include <bits/stdc++.h>

#define LOOPVAR_TYPE long long

#define all(x) (x).begin(), (x).end()
#define sz(x) ((LOOPVAR_TYPE)(x).size())
#define GET_MACRO(_1, _2, _3, NAME, ...) NAME
#define _rep(i, n) _rep2(i, 0, n)
#define _rep2(i, a, b) for(LOOPVAR_TYPE i = (LOOPVAR_TYPE)(a); i < (LOOPVAR_TYPE)(b); i++)
#define rep(...) GET_MACRO(__VA_ARGS__, _rep2, _rep)(__VA_ARGS__)

template<class T> bool chmin(T &a, const T &b) { return (b < a) ? (a = b, true) : false; }
template<class T> bool chmax(T &a, const T &b) { return (a < b) ? (a = b, true) : false; }

#define eb emplace_back
#define fir first
#define sec second
#define mp make_pair
#define mt make_tuple

const long double EPS = 1e-9;
const long double PI = 3.14159265358979323846L;
const long long INF = 1070000000LL;
const long long MOD = 998244353LL;// 1000000007LL;

using namespace std;
using ld = long double;
using ll = long long;

ll X, Y, Z;

int main() {
    cin.tie(NULL);
    ios_base::sync_with_stdio(false);
    
    cin >> X >> Y >> Z;
    cout << ((X + Y + Z) % 3 == 0 ? "Yes" : "No") << endl;
}