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.

['3655', '1349', '6519', '1019', 'v', '4811', '8609', '9147', '8225', '2665', '2627', '5839']
54465

['a', 'm', '3205', '1869', '1117', 'K', '5785']
11976

['2601', 'J', '2587', 'L', '9129', '9421', '1243', 'O', '3371', '1005', '7083', 'm', '1073', 'Z', '3833', '4777']

46123