using System;

using System.Collections.Generic;

public static class Matryoshka

{

​

    public static string Cykabluad(List<int> input)

    {

        var k = input[0];

        input.RemoveAt(0);

        input.Sort();

        var t = input[input.Count-1];

        for (var i = input.Count-2; i>=0; i--)

        {

            if (t % input[i] != 0)

            t = t % input[i];

        }

        if (k % t == 0)

            return "yes";

        else

            return "no";

    }

}

public class Program

{

    public static void Main()

    {

        var input = new List<int>() { 8, 5, 10 };

        Console.WriteLine(Matryoshka.Cykabluad(input));

        var input2 = new List<int>() { 8, 2, 4,6 };

        Console.WriteLine(Matryoshka.Cykabluad(input2));

        var input3 = new List<int>() { 8, 3, 7 };

        Console.WriteLine(Matryoshka.Cykabluad(input3));

    }

}