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:
['8743', 'Y', 'O', '8265', '1029', '5689', 'F', 'j', 'Z', 'i', 'S', '1285', '737']
answer:
25748


question:
['1969', 'm', 'Y', 'N', '7331', 'J', 'b', '2485', 'x']
answer:
11785


question:
['1547', '187', 'm', 'X', '633']
answer:

2367