In this task you will be given a list, of lists, of integers. For every inner list contained in the input list, you should multiply every even number in that list. The output should be a list of integers with the same length as the number of lists in the input list. If there are no even numbers in an inner list you should output 0 for that list.
Q: [[43, 34, 17], [-50, -16, -47, -35, 49], [-46, 47, 23, 5, 5]]
A: 
[34, 800, -46]