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.

['6011', 'G', '9043', '8009', 'e', '9493', 'G', '7969', 'M', 'n', 'p', 'g', '7925', 'H', '3213', '8095', '97', 'F']
59855

['6849', 'I', 'p', 's', 'L', '4757', 'j', 'x', 'm', 'P', '5237', '1105', '9015', '9279', 'Q']
36242

['k', 'U', '1121', 'q', 'B', 'a', '5761', 'l', '3329', 'K', '7889', '3271', 'C', 'U', '9341', '507', 'Z', 'M']

31219