#include<iostream>
#include<iomanip>
#include<string>
#include<algorithm>
#include<vector>
#include<set>
#include<list>
#include<queue>
#include<math.h>
#include<bitset>
using ll = long long;
using namespace std;

int main(){
    ll n, cnt = 0;
    cin >> n;
    for (int i = 0; i < n; i++){
        ll t;
        cin >> t;
        cnt += t;
    }
    cout << ((cnt % n == 0) ? "Yes" : "No") << endl;
    
}