using System;

public class Hello
{
    static void Main()
    {
        var n = int.Parse(Console.ReadLine().Trim());
        string[] line = Console.ReadLine().Trim().Split(' ');
        var asum = 0L;
        for (int i = 0; i < n; i++) asum += long.Parse(line[i]);
        Console.WriteLine(asum % n == 0 ? "Yes" : "No");
    }
}