namespace summaiumnozenie
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Console.OutputEncoding = Encoding.UTF8;
            Console.InputEncoding = Encoding.UTF8;
            Random random = new Random();
            int minValue = 1;
            int maxValue = 10;
            int rowIndex = 0;
            int columnNumber = 1;
            int sumResult = 0;
            int multiplyResult = 1;
            int[,] array = new int[3, 3];

            for (int i = 0; i < array.GetLength(0); i++)
            {
                for (int j = 0; j < array.GetLength(1); j++)
                {
                    array[i, j] = random.Next(minValue, maxValue);
                    Console.Write(array[i, j] + " ");
                }

                Console.WriteLine();
           }

            for (int j = 0; j < array.GetLength(1); j++)
            {
                sumResult += array[columnNumber,j];
            }

            Console.WriteLine($"Cумму второй строки: {sumResult} ");

            for (int i = 0; i < array.GetLength(0); i++)
            {
                multiplyResult *= array[rowIndex, i];
            }

            Console.WriteLine($"Произведение первого столбц: {multiplyResult} ");
            Console.ReadKey();
        }
    }
}