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:
['8667', '4129', '7075', '6345', '1315', 'M', 'F', '9073']
answer:
36604


question:
['q', 'N', 'y', '7859', 'u', '2861', '4151', 'Q', 'x']
answer:
14871


question:
['3923', '6463', '2849', 'v', '4377', '2659', 'F', '1201', '3327', 'd', 'P', '8733', 'm', 'D', '2021', 'g', 'O', 'V', 'L']
answer:

35553