using System;
using System.Collections.Generic;

public static class ClipboardFusionHelper
{
    public static string ProcessText(string text)
    {
        System.IO.StringReader sr = new System.IO.StringReader(text);
      string line = null;
      List<string> values = new List<string>();

        line = sr.ReadLine();
      while (line != null)
        {
          if (!values.Contains(line)) values.Add(line);
            line = sr.ReadLine();
        }

      return String.Join("\n", values.ToArray());
    }
}