using System;

public class Program

{

    public static void Main()

    {

        string fullName;

        Console.Write("Please enter your name and press enter: ");

        fullName = Console.ReadLine();  

        string fullNameUpperCase = String.Format("Upper case: {0}", fullName.ToUpper()); 

        string fullNameLowerCase = String.Format("Lower case: {0}", fullName.ToLower()); 

        string fullNameTrimmed = String.Format("Trimmed value: {0}", fullName.Trim()); 

        string fullNameSubString = String.Format("Substring value: {0}", fullName.Substring(0, 3));

        Console.WriteLine(fullNameUpperCase);

        Console.WriteLine(fullNameLowerCase);

        Console.WriteLine(fullNameTrimmed);

        Console.WriteLine(fullNameSubString); 

        Console.ReadLine(); 

    }

}