using System;

public class Map

{

    public static void Main()

    {

       int p1 = -1;

       int p2 = -1;

       int w1 = Convert.ToInt32(Console.ReadLine());

       int w2 = Convert.ToInt32(Console.ReadLine());

       string[,] map = new string[w1,w2];

       for (int i = 0; i < w2; i++) 

       for (int i2 = 0; i2 < w1; i2++)

       {

       map[i2,i] = "-";

       }

       for (int i3 = 0; i3 < 1.1 * (w1 * w2); i3++)

       {

       Random rnd = new Random(i3);

       int r1 = rnd.Next(0,w1);

       int r2 = rnd.Next(0,w2);

       if (r1 == p1) i3--;

       if (r2 == p2) i3--;

       p1 = r1;

       p2 = r2;

       map[r1,r2] = "#";

       }

       for (int i4 = 0; i4 < w2; i4++) 

       {

       for (int i5 = 0; i5 < w1; i5++)

              Console.Write(map[i5,i4]);

       Console.WriteLine("");

       }

       }

}