BallBox

Anu is playing with balls of two different colours red and green which came in a tightly packed box(no space between balls and walls of box) of dimensions $LxBxH$.After playing when Anu started putting balls back in boxes in the same way it came before,he realised that some balls were missing as there were empty space in box. Anu has no clue about the number of balls came in the box and the num