using System;

using System.Text;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static string GetShortPath(string path) {

        var res = new StringBuilder();

        string[] blocks = path.Trim('/').Split('/');

        var dirs = new Stack<string>();

​

        foreach (string s in blocks)

        {

            if (s.Length == 0 || s == ".")

                continue;

​

            if (s == "..")

            {

                if (dirs.Count > 0)

                    dirs.Pop();

                continue;

            }

​

            dirs.Push(s);

        }

​

        if (dirs.Count == 0)

        {

            res.Append('/');

        }

        else

        {

            var reverse = new Stack<string>();

            while (dirs.Any())

            {

                reverse.Push(dirs.Pop());

            }

​

            while (reverse.Any())

            {

                res.Append('/');

                res.Append(reverse.Pop());

            }

        }

​

        return res.ToString();

    }

    public static void Main()

    {

        Console.WriteLine("UniLecs");

        // tests

        Console.WriteLine(GetShortPath("/home/")); // /home

        Console.WriteLine(GetShortPath("/../")); // /

        Console.WriteLine(GetShortPath("/a/./b/../../c/")); // /c

    }

}