06. Number Generator

using System;
class Program
{
    static void Main()
    {
        int M = int.Parse(Console.ReadLine());
        int N = int.Parse(Console.ReadLine());
        int L = int.Parse(Console.ReadLine());
        int specialNumber = int.Parse(Console.ReadLine());
        int controlNumber = int.Parse(Console.ReadLine());
        int MNL = (100 * M + 10 * N + L);
        int diapazon = 111;
        for (int i = MNL; i >= diapazon; i--)
        {
            if (i % 3 == 0)
            {
                specialNumber += 5;
            }
            else if (i % 10 == 5)
            {
                specialNumber -= 2;
            }
            else if (i % 2 == 0)
            {
                specialNumber *= 2;
            }
            if (specialNumber < controlNumber)
            {
                // do nothing
            }
            else if (specialNumber >= controlNumber)
            {
                break;
            }
        }
        if (specialNumber >= controlNumber)
        {
            Console.WriteLine("Yes! Control number was reached! Current special number is {0}.", specialNumber);
        }
        else
        {
            Console.WriteLine("No! {0} is the last reached special number.", specialNumber);
        }
    }
}