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

int main()
{
    int N;
    cin >> N;
    long long sum = 0;
    for (int i = 0; i < N; i++)
    {
        int A;
        cin >> A;
        sum += A;
    }
    if (sum % N == 0)
    {
        cout << "Yes";
    }
    else
    {
        cout << "No";
    }
}