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: ['7973', 'J', '9035', 'H', '4051', '2661', 's', 'z', '8225', 'M', '4153']

A: 36098
****
Q: ['8743', 'Y', 'O', '8265', '1029', '5689', 'F', 'j', 'Z', 'i', 'S', '1285', '737']

A: 25748
****
Q: ['4343', '1093', '6191', '8329', 'I', 'l', 'i', '169', 'O', 't', '3611', '1357', 'x', 't', '4003', '1541', '1581']

A:
32218
****