static void Main(string[] args)
{
Console.WriteLine("First task:");
FibonacciSequence fibonacciSequence = new FibonacciSequence();
fibonacciSequence.FibonacciCounter(10);
fibonacciSequence.FibonacciCounterLINQ(11);
fibonacciSequence.FibonacciAggr(11);
Console.WriteLine("Second task:");
Factorial factorialResult = new Factorial();
factorialResult.FactorialCounter(7);
Console.WriteLine("Third task:");
TeaManager teaManager = new TeaManager();
teaManager.GroupingTeaItem(teaManager.GetListTea());
Console.WriteLine("Forth task:");
ArrayManager arrayManager = new ArrayManager();
arrayManager.SplittArray_v1();
arrayManager.SplittArray_v2();
Console.ReadKey();
}