Number_Generator

using System;

namespace Number_Generator
{
    class Number_Generator
    {
        static void Main(string[] args)
        {
            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 number = 0;
            for (int i = M; i >= 1; i--)
            {
                for (int j = N; j >= 1; j--)
                {
                    for (int k = L; k >= 1; k--)
                    {
                        number = int.Parse(Convert.ToString(i) + Convert.ToString(j) + Convert.ToString(k));
                        bool priority1 = number % 3 == 0;
                        bool priority2 = number % 10 == 5;
                        bool priority3 = number % 2 == 0;
                        if (specialNumber >= controlNumber) break;
                        if (priority1 || priority1 && priority2 || priority1 && priority3 || priority1 && priority2 && priority3) specialNumber += 5;
                        else if (priority2 || priority2 && priority3) specialNumber -= 2;
                        else if (priority3) specialNumber *= 2;
                    }
                    if (specialNumber >= controlNumber) break;
                }
                if (specialNumber >= controlNumber) break;
            }
            if (specialNumber >= controlNumber)
            {
                Console.WriteLine($"Yes! Control number was reached! Current special number is {specialNumber}.");
                return;
            }
            else
            {
                Console.WriteLine($"No! {specialNumber} is the last reached special number.");
                return;
            }
        }
    }
}