//static void Step7()
//{
// Console.WriteLine(Lab05.task5662(1, 2, 3));
// Console.WriteLine(Lab05.task5662(3, 17, 5));
// Console.WriteLine(Lab05.task5662(3, 6, 3));
// Console.WriteLine(Lab05.task5662(0, 7, 13));
//}
static void Step8()
{
Console.WriteLine(Lab05.task3770(1, 2, 3) - 3);
Console.WriteLine(Lab05.task3770(7, 4, -2) - 7);
Console.WriteLine(Lab05.task3770(0, 5, -7) - 5);
}