instruction:
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.
question:
['7411', 'Y', 'x', 'l', '4119', '7241']
answer:
18771


question:
['7973', 'J', '9035', 'H', '4051', '2661', 's', 'z', '8225', 'M', '4153']
answer:
36098


question:
['1495', 'T', 'A', 'w', '3843', '7253', '7931', 'o', '7123', '2705']
answer:

30350