using System;

namespace Zadanie010
{
    class Program
    {


        static bool CzyWKolejnosci(char a, char b, char c)
        {

            int d = 0;
            int e = 0;
            int f = 0;

            if(a>=65 && a <=90)
            {
                d = 32;
            }

            if (b >= 65 && b <= 90)
            {
                e = 32;
            }

            if (c >= 65 && c <= 90)
            {
                f = 32;
            }

            if (Char.IsLetter(a) == true && Char.IsLetter(b) == true && Char.IsLetter(c) == true)
            {
                if (a + d< b+e&& b+e < c+f)
                {
                    return true;
                }
                else
                    return false;
            }
            else
                return false;
        }



        static void Main(string[] args)
        {



            Console.WriteLine( CzyWKolejnosci('A', 'd', 'C') );
            Console.ReadKey();
        }
    }
}