public int[,] FruitData() { if (validator.IsNuberOfFruitsValid()) { int num = Convert.ToInt32(input[1].Trim()); int[,] data = new int[num, 4]; for (int i = 0; i < num; i++) { if (validator.IsNumberOfSuplimentsValid(i)) { int[] fruit = input[i + 2].Trim().Split(' ').Select <string, int>(int.Parse).ToArray(); data[i, 0] = fruit[0]; data[i, 1] = fruit[1]; data[i, 2] = fruit[2]; data[i, 3] = fruit[3]; } } return(data); } Console.WriteLine("invalid number of fruits"); return(null); }