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.

['K', '9121', 'y', '4233', '1513', 'd', '5609', 'C', 'q', 'p', 'S', '627', 'q', 'I']
21103

['b', 's', 'v', '4757', '9063', 'I', '8397', '7975', 'Q']
30192

['L', '3863', '8069', '5663', '9531', 'w']

27126