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: ['1493', 'x', 'h', '31', '3327', '1621', '4529', 'd', '377', 'R', 'X', 'Z', 'G']

A: 11378
****
Q: ['q', 'U', 'I', '5245', 'g', 'Y', 's', 'V', 'b', 'V', 'D', '1193', 'p']

A: 6438
****
Q: ['j', '4389', '6071', '7755', '7829', 'Q', '6727', '6973', '8859', 'C']

A:
48603
****