#include <iostream>
#include <vector>
#include <cmath>
#include <map>
#include <set>
#include <iomanip>
#include <queue>
#include <algorithm>
#include <numeric>
#include <deque>
#include <complex>
#include <cassert>

using namespace std;
using ll = long long;

int main(){

    ll N, A, S=0;
    cin >> N;
    for (int i=0; i<N; i++){
        cin >> A;
        S += A;
    }

    cout << (S % N == 0 ? "Yes" : "No") << endl;

    return 0;
}