using System;

public class Program

{

    public static void Main()

    {   

        //Short LocProp Test

        String input;       

        String output;

        //----------------------------------

        //7 Character String

        input = "SAPAVTI";

        output = FixedLengthString(input);

        Console.WriteLine("Problematic String Test");

        Console.WriteLine("Original");

        Console.WriteLine(input);

        Console.WriteLine("Formatted");

        Console.WriteLine(output);

        Console.WriteLine(); //Spacer

        //Short String Test

        input = "3624"; //4 characters long

        output = FixedLengthString(input);

        Console.WriteLine("Short String Test");

        Console.WriteLine("Original");

        Console.WriteLine(input);

        Console.WriteLine("Formatted");

        Console.WriteLine(output);

        Console.WriteLine(); //Spacer

        //Long String Test

        input = "UNION279"; //8 characters long

        output = FixedLengthString(input);

        Console.WriteLine("Short LocProp Test");

        Console.WriteLine("Original");

        Console.WriteLine(input);

        Console.WriteLine("Formatted");

        Console.WriteLine(output);

    }

    public static string FixedLengthString(string input, int n = 7, char PaddingCharacter = '0')

    {

        string output =

            ((input.Length <= n) ? input : input.Remove(n)) //If string LocProp is < n characters, return LocProp. Otherwise, return the first n characters of LocProp.

            .PadLeft(n, PaddingCharacter);  //If string LocProp is < n characters long, pad it with the PaddingCharacter to make it n characters long.

        return output;

    }

}