using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var maxFileLength = 80;

        var maxGroupLength = 30;

        var filePath = "1SomeReallyLongPath/2SomeReallyLongPath/3SomeReallyLongPath/4SomeReallyLongPath/5SomeReallyLongPath/6SomeReallyLongPath";

        var workingFilePath = filePath;

        var fileParts = filePath.Split('/');

        var i = fileParts.Length - 1;

        while(i >= 0 && workingFilePath.Length > maxFileLength)

        {

            fileParts[i] = fileParts[i].Substring(0, Math.Min(maxGroupLength, fileParts[i].Length));

            workingFilePath = String.Join("/", fileParts);

            i--;

        }

        if(workingFilePath.Length > maxFileLength)

        {

            workingFilePath = workingFilePath.Substring(0, maxFileLength);

            workingFilePath = workingFilePath.Trim('/');

        }

        Console.WriteLine(filePath);

        Console.WriteLine(workingFilePath);

    }

}