#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)

using std::cin;
using std::cout;
using std::vector;
using ll = long long;

int main() {
	int n;
	cin >> n;
	
	vector<int> a(n);
	rep(i, n) cin >> a[i];
	
	ll s = accumulate(a.begin(), a.end(), 0ll);
	if (s % n == 0) puts("Yes");
	else puts("No"); 
	
	return 0;
}