using System;

public class Program

{

    public static void Main()

    {

       Console.WriteLine("input first name");

       char fname = Convert.ToChar(Console.ReadLine());

       string fname = Word.Substring(0,1);

       Console.WriteLine(fname.ToUpper());

       Console.WriteLine("input last name");

       char lname = Convert.ToChar(Console.ReadLine());

       string fname = Word.Substring(0,3);

       Console.WriteLine(lname.ToLower());

    }

}