using System;
class rohit
{
    public static void Main()
    {
    int[,] a = new int[2, 5];
    int k=10;
    for (int r = 0; r < 2; r++)
    {
        for (int c = 0; c < 5; c++)
        {
            a[r, c] = k;
            k = k + 10;
        }
    }

    for (int r = 0; r < 2; r++)
    {
        for (int c = 0; c < 5; c++)
        {
            Console.Write(a[r, c] + "  ");
        }
        Console.WriteLine("\n");
    }
    Console.ReadLine();
    }

}