using System;

using System.Globalization;

using System.Collections.Generic;

using System.Linq;

using System.Collections;

public class Program

{

    public static void Main()

    {

        int[] list1 = new int[4] { 0, 1, 1, 2};

        int[] list2 = new int[4] { 0, 5, 0, 0};

        int[] list3 = new int[4] { 2, 0, 3, 3 };

        int[][] lists = new int[][]{list1, list2, list3};

        var result = TestMethod(lists);

    }

    public static int TestMethod(int[][] matrix)

    {

        var lstOfIntsToAdd = new List<int>();

        for(int i = 0; i < 4; i++){

            for(int j = 0; j < 3; j++){

                Console.Write("matrix[[{1}][{0}]] = {2} /", j, i, matrix[j][i]);

            }

            Console.WriteLine();

        }

        return lstOfIntsToAdd.Sum();

    }

}