New Year Resolution

using System;
using System.IO;
class NewYearResolution
{
    static int numberOfLoops;
    static int testCasesCount;
    static string[] targetCalories;
    static int foodCount;
    static bool resultFound;

    static int[] loops;
    static int[,] food;

    static void Main()
    {
        StreamReader input = new StreamReader("input.txt");
        StreamWriter output = new StreamWriter("output.txt");

        testCasesCount = int.Parse(input.ReadLine());

        for (int index = 0; index < testCasesCount; index++)
        {
            resultFound = false;
            targetCalories = input.ReadLine().Split();
            foodCount = int.Parse(input.ReadLine());
            food = new int[foodCount, 3];
            numberOfLoops = foodCount;

            for (int foodIndex = 0; foodIndex < foodCount; foodIndex++)
            {
                string[] foodValues = input.ReadLine().Split();
                food[foodIndex, 0] = int.Parse(foodValues[0]);
                food[foodIndex, 1] = int.Parse(foodValues[1]);
                food[foodIndex, 2] = int.Parse(foodValues[2]);
            }

            while (numberOfLoops > 0)
            {
                loops = new int[numberOfLoops];
                FindSubsets(0, 0);
                numberOfLoops--;

                if (resultFound)
                {
                    break;
                }
            }

            if (resultFound)
            {
                output.WriteLine("Case #{0}: yes", index + 1);
            }
            else
            {
                output.WriteLine("Case #{0}: no", index + 1);
            }

        }

        output.Close();
        input.Close();
    }

    static void FindSubsets(int currentLoop, int lastNumber)
    {
        if (currentLoop == numberOfLoops)
        {
            CheckSubset();
            return;
        }

        for (int nextNumber = lastNumber; nextNumber < foodCount; nextNumber++)
        {
            loops[currentLoop] = nextNumber;
            FindSubsets(currentLoop + 1, nextNumber + 1);
            if (resultFound)
            {
                return;
            }
        }
    }

    private static void CheckSubset()
    {
        int totalProtein = 0;
        int totalCarboHydrats = 0;
        int totalFat = 0;

        for (int index = 0; index < loops.Length; index++)
        {
            totalProtein += food[loops[index], 0];
            totalCarboHydrats += food[loops[index], 1];
            totalFat += food[loops[index], 2];
        }

        if (totalProtein == int.Parse(targetCalories[0]) &&
            totalCarboHydrats == int.Parse(targetCalories[1]) &&
            totalFat == int.Parse(targetCalories[2]))
        {
            resultFound = true;
        }
    }
}