1 ODD+ 1 EVEN= 2 ODD. 2 ODD+ 2 EVEN= 4 EVEN. 1/3 ODD+ 1/3 EVEN+ 1/3 EVEN= 1 ODD/EVEN.+ 1/3 EVEN+ 1/3 ODD+ 1/3 ODD= 1 ODD/EVEN 2/3 EVEN/ODD+ 2/3 EVEN/ODD+ 2/3 EVEN/ODD= 2 EVEN/ODD /2= 1/3 EVEN/O+ 1/3 EVEN/O+ 1/3 EVEN/ODD= 1 EVEN/ODD........ So program this into a computer to add engineering ...