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: ['N', 'O', '2635', '8891']

A: 11526
****
Q: ['1395', '3605', '6001', 's', 'h', 'T', 'K', 'X', '9413', 'X', '5099', 'c', 'f', 't', 'S', 'f', '4651']

A: 30164
****
Q: ['31', 'y', 'T', '9209', '241', '7887', 'J', 'h', 'y', 'A', '2035']

A:
19403
****