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:
['A', '6323', 'T', 'H', 'M', 'S', 'D', 'r', 'v', '8169', '7649', '5149', 'x', '6275']
answer:
33565


question:
['U', 'd', '893', 'h', '9679', '315', 'H', '339', '2381', '847', '7951', 'e', '9269', '9081', 'o', '6439', 'N', '4531']
answer:
51725


question:
['333', 'f', 'x', '8447', 'E', '8029', 'I', 'a', 'm', '47', '7265', 'h', 's', 'V', '5603', '7389', '2207', '8195', '1895', '7691']
answer:

57101