#include <bits/stdc++.h>
using namespace std;
#define int long long

int N;

signed main(){
    cin>>N;
    vector<int> A(N);
    int su = 0;
    for(int i = 0; i < N; i++){
    	cin>>A[i]; su += A[i];
    }
    cout << (su % N == 0 ? "Yes" : "No") << "\n";
}