#pragma GCC target ("avx2")
// #pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")

#include <iostream>
#include <array>
#include <algorithm>
#include <vector>
#include <bitset>
#include <set>
#include <unordered_set>
#include <cmath>
#include <complex>
#include <deque>
#include <iterator>
#include <numeric>
#include <map>
#include <unordered_map>
#include <queue>
#include <stack>
#include <string>
#include <tuple>
#include <utility>
#include <limits>
#include <iomanip>
#include <functional>
#include <cassert>
// #include <atcoder/all>
using namespace std;

using ll=long long;
template<class T> using V = vector<T>;
template<class T, class U> using P = pair<T, U>;
using vll = V<ll>;
using vii = V<int>;
using vvll = V<vll>;
using vvii = V< V<int> >;
using PII = P<int, int>;
using PLL = P<ll, ll>;
#define RevREP(i,n,a) for(ll i=n;i>a;i--)  // (a,n]
#define REP(i,a,n) for(ll i=a;i<n;i++)  // [a,n)
#define rep(i, n) REP(i,0,n)
#define ALL(v) v.begin(),v.end()
#define eb emplace_back
#define pb push_back
#define sz(v) int(v.size())

template < class T > inline bool chmax(T& a, T b) {if (a < b) { a=b; return true; } return false; }
template < class T > inline bool chmin(T& a, T b) {if (a > b) { a=b; return true; } return false; }
template< class A, class B > ostream& operator <<(ostream& out, const P<A, B> &p) {
    return out << '(' << p.first << ", " << p.second << ')';
}
template< class A > ostream& operator <<(ostream& out, const V<A> &v) {
    out << '[';
    for (int i=0;i<int(v.size());i++) {
        if (i) out << ", ";
        out << v[i];
    }
    return out << ']';
}

const long long MOD = 1000000007;
const long long HIGHINF = (long long)1e18;
const int INF = (int)1e9;

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    ll x, y, z; cin >> x >> y >> z;
    if ((x + y + z) % 3 == 0) cout << "Yes\n";
    else cout << "No\n";
    return 0;
}