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.

['2151', '7511']
9662

['129', '8667', 'E', '2919', 'e', 'Y', 'h', 'm', '501', '5911', 'q', '4955', 'D', '1369', 'W']
24451

['h', '155', '3899', '9577', 'F', 'U', 'a', '6441', 'o', 'a', 'u', 'y', 'R', '2365', '5325', 'M', 'L', '2765', '865', '4575']

35967