static void Main() { int[] arr = { 142, 3432, 4234, 4, 32, 2332 }; long count = Task1.Compute(arr); int[,] matrix = { { 5222, 34, 34, 5, 23, 1 }, { 234, 543, 5345, 32, 2, 1 } }; Task2 calculate = new Task2(); long counter = calculate.CalculateCount(matrix); Task3 calc = new Task3(); long newCalculate = calc.CalcSum(matrix, 0); }