static void Step5980()
{
Console.WriteLine();
Console.WriteLine("5980");
Console.WriteLine("{0} ({1})", Lab05.Task5980(9), 3.0);
Console.WriteLine("{0} ({1})", Lab05.Task5980(0), 0.0);
Console.WriteLine("{0} ({1})", Lab05.Task5980(-7), 49.0);
}
