#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <utility>
#include <set>
#include <map>
#include <queue>
#include <cmath>
#include <iomanip>
using namespace std;
typedef long long ll;
#define rep(i, n) for (int i=0;i < (int)(n);i++)

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

int main(){
    int test = 1;
    //cin >> test;
    while(test--){
        sol();
    }
}