let ee be the set of even integers and let oo be the set of odd integers. suppose that a computer is programmed to input a sequence of elements of ee and output a sequence of elements of oo according to some rule. you run a test of this program using 12,6,8,10,212,6,8,10,2 as input, and the computer outputs 81,9,25,49,181,9,25,49,1. what rule does the computer appear to be using?