#include <iostream>
using namespace std;

long long N, S;
long long A[1 << 18];

int main() {
	cin >> N;
	for (int i = 1; i <= N; i++) cin >> A[i];
	for (int i = 1; i <= N; i++) S += A[i];
	if (S % N == 0LL) cout << "Yes" << endl;
	else cout << "No" << endl;
	return 0;
}