In this task, you are given an input list A. You need to find all the elements of the list that are numbers and calculate their sum.

['e', '9777', '1835', 'N', '2425', '1427', 'o', '4459', '9961', '3285', '5199', 'x', 'e', '7727']
46095

['3051', '5343', 'k', 'k', '6815', 'E', '4745', 'A', 'A', '1251', '6649', 'f', '4133', 'X']
31987

['u', 'i', 'z', 't', '9617', 'd', '3255', 'w', 'S', '3041', '7451']

23364