#include <bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin >> n;
	vector<int> e(n);
	for(int i = 0; i < n; i++) cin >> e[i];
	int sum = accumulate(e.begin(), e.end(), 0);
	if(sum % 3 == 0) cout << "Yes" << endl;
	else cout << "No" << endl;
}