Number Generator

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _6.Number_Generator
{
    class Program
    {
        static void Main(string[] args)
        {
            // Exam - 7 May 2017
            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 newSpecialNum = specialNumber;

            for (int n1 = m; n1 >= 1; n1--)
            {
                for (int n2 = n; n2 >= 1; n2--)
                {
                    for (int n3 = l; n3 >= 1; n3--)
                    {
                        int number = n1 * 100 + n2 * 10 + n3;

                        if (number % 3 == 0)
                        {
                            specialNumber += 5;
                        }

                        else if (number % 5 == 0)
                        {
                            specialNumber -= 2;
                        }

                        else if (number % 2 == 0)
                        {
                            specialNumber *= 2;
                        }

                        if (specialNumber >= controlnumber)
                        {
                            Console.WriteLine("Yes! Control number was reached! Current special number is {0}.", specialNumber);
                            return;
                        }
                    }
                }
            }

                Console.WriteLine("No! {0} is the last reached special number.", specialNumber);
        }
    }
}