using System;

​

public class Program

{

    public static void Main(string[] args)

    {

        for (int x = 0; x <= 50; x++)

        {

            long answer = 1;

            for (int y = 1; y <= x; y++)

            {

                answer = answer * 2;

            }

            Console.WriteLine("2^" + x + "=" + answer);

        }

    }

}