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:
['O', '9829', '5265', 'U', 'z', '2843', '1483', '9293', '1327', '2015']
answer:
32055


question:
['z', '447', '9781', 'R', '6083', 'u', '9229', 'Z', 'F', '2437', '9677', 'n', 'G', '6763', '5883', 'B', '9563', '4575']
answer:
64438


question:
['2109', 'G', '309', 'j', '7611', 'X', 'v', '9941', '5549', '7195', 't', '6669', 'Z', 'g', 'L', '2923', 'o', '6579', '4277', 'h']
answer:

53162