public class Grid3
  {
  public static void main(String argv[])
    {
    int numCols = Integer.parseInt(argv[0]);
    int numRows = Integer.parseInt(argv[1]);

    for (int i = 1; i <= numRows; i++)
      {
      printComb(numCols);
      }
    printBottom(numCols);
    }
   
   public static void printComb(int width)
     {
     printBottom(width);
     for (int i = 1; i <= width; i++)
       {
       System.out.print("| ");
       }
     System.out.println("|");
     }

   public static void printBottom(int width)
     {
     for (int i = 1; i <= width; i++)
       {
       System.out.print("._");
       }
     System.out.println(".");
     }
  }