using System;

using System.Collections.Generic;

                    using System.Linq;

​

public class Program

{

    public static void Main()

    {

            List<string> animalEmoji = new List<string>()

            {

                "🦊", "🦊",

                "🐱", "🐱",

                "🐸", "🐸",

                "🐹", "🐹",

                "🦒", "🦒",

                "🐭","🐭",

                "🦄","🦄",

                "🦝","🦝",

            };

            Random random = new Random();

            var s = "";

            for(int i = 0; i<999;i++)

            {   

                int index = random.Next(animalEmoji.Count);

                try{

                    string nextEmoji = animalEmoji[index];

                    s = nextEmoji;

                    animalEmoji.RemoveAt(index);

                }catch(Exception ex){

                    Console.WriteLine(ex.Message + " while trying to access index " + index);

                }

            }

    }

}