using System.Linq;
using System;

public class Hello
{
    static void Main()
    {
        var n = int.Parse(Console.ReadLine().Trim());
        string[] line = Console.ReadLine().Trim().Split(' ');
        var a = Array.ConvertAll(line, int.Parse);
        getAns(n, a);
    }
    static void getAns(int n, int[] a)
    {
        var amin = a.Min();
        foreach (var x in a)
        {
            if ((x - amin) % n != 0) { Console.WriteLine("No"); return; }
        }
        Console.WriteLine("Yes");
    }
}