class Art{
   public static void main( String [] args )
                                 throws Exception{
      System.out.println( "Type `q' or nothing + Enter" );
      while( true ){
         int c = System.in.read();
         if( c == 'q' ){ break; }
         clear();
         moveTo( (int)  Math.round( Math.random()*50 )
                  ,
                 (int) Math.round( Math.random()*50 )
               );
         move(1,1);   paintRect(8,8);
         move(4,8);   paintRect(4,4);
         move(4,0);   paintRect(2,2);
         move(0,-6);  paintRect(2,2);
         move( 10,0);
         paintText( "Type `q' or nothing + Enter" );
   }  }

   static char escape = (char) 27;
   static char pen = '#';
   static int row = 0, col = 0;

   static void clear(){
     System.out.print( escape + "[2J" );
     row = 0;
     col = 0;
   }
   static void setPen(char p){
      pen = p;
   }
   static void moveTo(int r, int c){
      row = r;
      col = c;
   }
   static void move(int r, int c){
      row += r;
      col += c;
   }
   static void paintRect( int  width, int  height )
   {
     for( int i=0; i<height; i++) {
       for( int j=0; j<width; j++ ){
          System.out.print( escape + "["
               + (row+i) + ";" + (col+j) + "H" );
          System.out.print( pen );
   } } }
   static void paintText( String text ){
       System.out.print( escape + "[" + row + ";" + col + "H" );
       System.out.print( text );
   }
}