#pragma GCC optimize("Ofast", "unroll-loops")

#include <bits/stdc++.h>

using namespace std;

int main(void){
    int N; cin >> N;
    long long sum = 0;
    for (int _ = 0; _ < N; ++_){
        int ai; cin >> ai;
        sum += ai;
    }
    if (sum % N == 0)
        cout << "Yes" << endl;
    else cout << "No" << endl;
    return 0;
}