using System;

public class Program

{

    public static int Main()

    {

        Menu:

        Console.WriteLine("//lab1 | Select task, what u need:\n\t===========\n\t * 1.1 - a\n\t * 1.2 - b\n\t-----------\n\t EXIT - e\n\t===========\n");

        string menu = Console.ReadLine();

        Console.WriteLine("\t-----------");

        if(menu == "a") {

            // 1.1

            Console.WriteLine("\t--- 1.1 ---\n\t-----------");

            Console.Write("Enter X: ");

            long x = Convert.ToInt64(Console.ReadLine());

            Console.Write("Enter Z: ");

            long z = Convert.ToInt64(Console.ReadLine());

            long n = z * z;

            Console.WriteLine("\t\t  {0}\nNumber - {1}\n_____________________", x, z);

            for (int i = 2; i < x; i++) {

                n = n * z;

            }

            Console.WriteLine("Result: {0}", n);

            Console.WriteLine("\n\n\t-----------\n\t-----------\n");

            goto Menu;

        }

        else {

            Console.WriteLine("\t-- exit() -\n\t-----------");

            return 0;

        }

    }

}