#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000001



int main(){
	
	int n;
	cin>>n;
	
	long long sum = 0LL;
	
	rep(i,n){
		long long a;
		cin>>a;
		sum += a;
	}
	
	if(sum % n==0)cout<<"Yes"<<endl;
	else cout<<"No"<<endl;
	
	return 0;
}