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: ['7361', '3605', 'V', '2039', '9665', 'X', 'b', '1195', '657', '6509', '7195', '2013', '1847', 'v', '9499', '1761']

A: 53346
****
Q: ['R', 'I', 'f', 'K', 'p', '8579', 'e', '1223', 'I', 'K', '8311', '2147', '4241', 'z', '6671', 'r']

A: 31172
****
Q: ['5343', '5503', '2093', 'w', 'I', 'D', 's', '8713', 'x', '9581', 'p', '8675']

A:
39908
****