using System;

public class Program

{

    public static void Main()

    {

        //for loop from 0 - 10

        int f;

        for(f = 0; f <= 10; f++)

        {

            Console.WriteLine(f);

        }

        //enter the password 11285

            bool loop = false;

            string input;

        while (loop == false)

        {

            Console.WriteLine("Please enter the password.");

            input = Console.ReadLine();

            if (input != "11285")

            {

                Console.WriteLine("Invalid entry. try 11285");

            }

            else

            {

                loop = true;

            }

            //do while loop 

            string one;

            int number;

        do  

        {

            Console.WriteLine("Please enter the number 1");

            one = Console.ReadLine();

            number = Convert.ToInt32(one);

            if (number != 1)

            {

                Console.WriteLine("Invalid entry. Must be the number 1.");

            }

        }while(number == 1);

        }

    }

}