#include <bits/stdc++.h>
#define rep(i,a,b) for(int i = (a); i < (b); i++)
#define all(A) (A).begin(),(A).end()
#define MOD 1000000007
using namespace std;
using ll = long long;
using Graph = vector<vector<int>>;

int main(void){
	int n; cin >> n;
	ll s = 0;
	rep(i,0,n){
		int a; cin >> a;
		s += a;
	}
	cout << (s%n == 0 ? "Yes" : "No");
}