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:
['9401', 'w', 'b', '8287', 'n', 'O', 'H', 'h', '45', '2337']
answer:
20070


question:
['j', 'A', 'L', 'i', 'I', '3827', '8245', 'H', 'J', '8117', 'w', '4659', 'Y', 'x', 'K']
answer:
24848


question:
['8515', 'l', '4409', '7359', '1957', '9137', '9841', '3439', '7759', 'r', 'p', 'a', '9957', '6163', 'n', 'G', 'G', 'B', 'B', '9479']
answer:

78015