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:
['1165', '8341', '9685', '6749', '8571', 'p', '9355', '5319', '9587', 'B', '9581', '1719', 'Q', '577', '8883', 'S', '7851', '1069', 'i', 'y']
answer:
88452


question:
['4401', 'p', 'V', 'l', 'H', '7329', 's', '4717', 'l', '1773', '67', '179', 'l', '6991', 'a', '9377']
answer:
34834


question:
['b', 'E', '2455', 'T', '8601', '8837', '8485', '6105', 's', '9925', '4183', 'z', 'a', 'q', 's', 'e', 'R', 'S', 'T', 'C']
answer:

48591