13. Game of Numbers

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

namespace _13_GameOfNumbers
{
    class Program
    {
        static void Main(string[] args)
        {
            int N = int.Parse(Console.ReadLine());
            int M = int.Parse(Console.ReadLine());
            int Magic = int.Parse(Console.ReadLine());
            int comb = 0;
            int sum = 0;
            int last = 0;
            int first = 0;
            int second = 0;
            for (int i = N; i <= M; i++)
            {
                for (int j = N; j <= M; j++)
                {
                    sum = i + j;
                    comb++;
                    if (sum == Magic)
                    {
                        last = sum;
                        first = i;
                        second = j;
                    }
                }
            }
            if (last == 0)
            {
                Console.WriteLine($"{comb} combinations - neither equals {Magic}");
            }
            else
            {
                Console.WriteLine($"Number found! {first} + {second} = {Magic}");
            }
        }
    }
}