everest% CC -c box2a.C
everest% CC main4.C box2a.o
everest% 

everest% a.out
Box b: 
I am a box with length=4, height=1.5 and width=3
I am pointing up
I am a box with length=1.5, height=4 and width=3
I am pointing to the left

Box c: 
I am a box with length=1, height=2 and width=3
I am pointing up
I am a box with length=3, height=2 and width=1
I am pointing up
everest%