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.

['a', 'q', '4085', '6327', '6869', 'Z', 't', '7057', '1965', 'p', 'o']
26303

['s', '3607', 'p', 'P', '9285', 'J', 'l', '9863', '9823', '2817', 'g', '9751', '599', '2605', 'k', 'Y', 'O', 'U', '9649']
57999

['1359', 'u', '133', '2213', '7241', '6075', 'd', 'p', '9275', '1063', '1077', '703', '8517', 'p', 'q', '2323']

39979