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:
['q', 'I', 'E', 'M', 'T', 'i', '8719', 'r', 'V', '9759', 'I', '1793', 'Q', 'P', '5263', 'I', 'O', '8603', 'y']
answer:
34137


question:
['r', 'B', '8791', '3165', 'n', 'm']
answer:
11956


question:
['7653', 'h', 'd', '4545', '5429', 'H', '5681', '5891', 'j', 'C', '765', 'a', 'x', 'w', 'b', 'W', 'j']
answer:

29964