public static void Main(string[] args)
Console.WriteLine("Elapsed Time.");
Console.WriteLine("Input the number of hours: ");
userInput = Console.ReadLine();
if (Int32.TryParse(userInput, out hour) == true && hour >= 0 && hour <= 24)
Console.WriteLine("The equivalent time: " + totalTime);
Console.WriteLine("Input the number of minutes: ");
userInput = Console.ReadLine();
if (Int32.TryParse(userInput, out minutes) == true && minutes >= 0 && minutes <= 60)
totalTime = minutes + hour;
Console.WriteLine("The equivalent time: " + totalTime);
Console.WriteLine("Input the number of seconds: ");
userInput = Console.ReadLine();
if (Int32.TryParse(userInput, out seconds) == true && seconds >= 0 && seconds <= 60);
totalTime = totalTime + seconds;
Console.WriteLine("The equivalent time: " + totalTime);
Console.WriteLine("Invalid input");
Console.Write("\n\nPress any key to exit...");