namespace ConsoleApp13
{
    public static class PowerUtil
    {
        public static int Exp(int x, int no)
        {
            if (no == 1)
            {
                return x;
            }
            var reminder = no % 2;
            var value = Exp(x, no / 2);
            return reminder == 0 ?
                (value * value) :
                (x * value * value);
        }
    }
}