#include<iostream>
#include<vector>
#include<algorithm>

using namespace std;
using ll = long long;

int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    int n;
    cin>>n;
    ll sum = 0;
    for(int i = 0;i<n;i++){
        ll a;
        cin>>a;
        sum += a;
    }
    if(sum%n==0) cout<<"Yes\n";
    else cout<<"No\n";
}