using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        // Example input

        var input = new string[] { "SHOES","SHOES~SHOCKS","SHOES~SHOCKS~ULTRA SOCKS" };

        // Get your results

        var output = input.SelectMany(p => p.Split('~'))

                          .Distinct()

                          .ToList();

        foreach(var product in output)

        {

            Console.WriteLine(product);

        }

    }

}