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:
['E', '9289', 'j', '1847', 'u', 'w', 'z', '4045', '9567', '3133', '2967', 'I', '1927', 'I', 'f', 'T']
answer:
32775


question:
['D', '1611', 'w', '8825', '8987', '3021', '9019', 's', '87', '9283', '5717', 'f', '1503', '6593', '8533', '785', 'g']
answer:
63964


question:
['b', '4555', 'u', 'B', '3775', 'c', 'w', '3241', 'j', 'U']
answer:

11571