04. Sum of Two Numbers

using System;

namespace SumOfTwoNumbers
{
    class Program
    {
        static void Main(string[] args)
        {
            int x = int.Parse(Console.ReadLine());
            int y = int.Parse(Console.ReadLine());
            int m = int.Parse(Console.ReadLine());
            int i = 0;
            int o = 0;
            bool magic = false;
            int counter = 0;

            for (i = x; i <= y; i++)
            {
                for (o = x; o <= y; o++)
                {
                    counter++;
                    if (i + o == m)
                    {
                        magic = true;
                        break;
                    }
                }
                if (magic == true)
                {
                    break;
                }
            }

            if (magic == false)
            {
                Console.WriteLine($"{counter} combinations - neither equals {m}");
            }
            else
            {
                Console.WriteLine($"Combination N:{counter} ({i} + {o} = {m})");
            }
        }
    }
}