using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _1
{
    class Program
    {
        static void IleA(char[] tab)
        {
            for (int i = 0; i < tab.Length; i++)
            {
                if (tab[i]=='a')
                {
                    Console.WriteLine(" Na pozycji {0} jest a",i+1);
                }
            }
        }

        static void Main(string[] args)
        {
            char[] literki = new char[10];
            var dupa = "zadek";
            char[] literki2 = dupa.ToArray();
            IleA(literki2);
            Console.WriteLine("Wpisz litery ");

            for (int i = 0; i <literki.Length; i++)
            {
                var read = Console.ReadKey();
                literki[i] = read.KeyChar;
            }
            IleA(literki);

            Console.ReadKey();
        }

    }
}