using System;

public class Program

{

    public static void Main()

    {

        int _nextAttemptBase = 2;

        int currentTryCount = 1;

        while (currentTryCount <= 3)

        {

            var intervalMinutes = new TimeSpan(0, (int)Math.Pow(_nextAttemptBase, currentTryCount - 1), 0);

            var intervalSeconds = new TimeSpan(0, 0, (int)Math.Pow(_nextAttemptBase, currentTryCount - 1));

            Console.WriteLine("Retry Interval(Minutes) = " + intervalMinutes.Minutes);

            Console.WriteLine("Retry Interval(Seconds) = " + intervalSeconds.Seconds);

            currentTryCount++;

        }

    }

}