public class Grid2
  {
  public static void main(String argv[])
    {
    // Process the command line arguments.
    int numCols = Integer.parseInt(argv[0]);
    int numRows = Integer.parseInt(argv[1]);

    // For the number of rows, print the "comb shape."
    for (int i = 1; i <= numRows; i++)
      {
      printComb(numCols);
      }

    printBottom(numCols); // Print the extra bottom row. 
    }
   
   /*
    * A functional abstraction for printing a "comb shape."
    */
   public static void printComb(int width)
     {
     for (int i = 1; i <= width; i++)
       {
       System.out.print("._");
       }
     System.out.println(".");
     for (int i = 1; i <= width; i++)
       {
       System.out.print("| ");
       }
     System.out.println("|");
     }

   /*
    * A functional abstraction for printing the bottom row of a grid.
    */
   public static void printBottom(int width)
     {
     for (int i = 1; i <= width; i++)
       {
       System.out.print("._");
       }
     System.out.println(".");
     }
  }