#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int main(){

    ll N, S=0;
    cin >> N;
    assert(2 <= N && N <= 5e5);
    
    vector<ll> A(N), B(N);
    for (int i=0; i<N; i++){
        cin >> A[i];
        assert(abs(A[i]) <= 1e9);
        S += A[i];
    }
    
    cout << (S % N == 0 ? "Yes" : "No") << endl;

    return 0;
}