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: ['A', '6323', 'T', 'H', 'M', 'S', 'D', 'r', 'v', '8169', '7649', '5149', 'x', '6275']

A: 33565
****
Q: ['T', '8333', 'C', 'Z', 'n', '1419', 'd', '3205', 'D', '1187', 'd']

A: 14144
****
Q: ['O', 'a']

A:
0
****