#include <bits/stdc++.h>
using namespace std;

int main() {
	int N;
	cin >> N;
	vector<int> a( N );
	long long s = 0;
	for( int i = 0; i < N; i++ ) {
		cin >> a[i];
		s += a[i];
	}
	string ans = "Yes";
	if( abs( s ) % N ) ans = "No";
	cout << ans << endl;
 }