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.

Q: ['3331', '5791', 'r', 'Q', '2243', '8229']

A: 19594
****
Q: ['s', '407', '7983', '1523', '8983', '9841', 'p', 'y', 'N', '7633', 'T', '4177', 'Z', 'Y', '3223', '7125', '2601', '7467', '3039']

A: 64002
****
Q: ['2169', 'Q', 'd', '2437', '7867', '571', '39', '1019', 'H', 'z', 'I', '8565', 'q', 'D', '7733', '6267', 'M', 'T', 'S', '293']

A:
36960
****