using directive
class HelloWorld {
static void Main(){
n = Console.ToInt32(Console.ReadLine());
L=Math.Pow(y,2)0,81 cos i/Math.in y+2i;
}
Console.WriteLine("javob quyidagicha="+L);
L=Math.Log (8)/Math.Log (2);
Console.WriteLine("javob quyidagicha="+L):