using System;

namespace ConsoleApp
{
    class task30471666
    {
        static void Main()
        {

            double[,] arr = new double[5, 5];
            double[] arrAfter = new double[5];
            double Result = 1;
            // fill array
            for(uint i = 0; i < arr.GetLength(0); i++)
            {
                for(uint j = 0; j < arr.GetLength(1); j++)
                {
                    arr[i, j] = 4 * Math.Sin(7.1 * (i+1) + (j+1));
                }
            }
            // fill second array
            for (uint i = 0; i < arr.GetLength(0); i++)
            {
                for(uint j = 0; j < arr.GetLength(1); j++)
                {
                    Result *= arr[i, j];
                }

                arrAfter[i] = Result;
            }

            for(uint i = 0; i < arrAfter.Length; i++)
            {
                Console.WriteLine(arrAfter[i]);
            }
            Console.ReadKey();
        }
    }
}