#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define srep(i, s, t) for (int i = s; i < t; ++i)
#define drep(i, n) for (int i = (n)-1; i >= 0; --i)
using namespace std;
typedef long long int ll;
typedef pair<int, int> P;
#define MAX_N 200005

int main() {
    int n;
    cin >> n;
    ll sum = 0;
    rep(i, n) {
        int a;
        cin >> a;
        sum += a;
    }
    if (sum % n == 0) {
        puts("Yes");
    } else {
        puts("No");
    }
    return 0;
}