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.

[Q]: ['m', '6153', 'A', '6173', 'x', '7527', '8501', 'g', 'r', 'K', 'I', '3103', '8347']
[A]: 39804


[Q]: ['9201', '5685', 'v', 'w', 'v', 'r', 'Y', 'm', 'q', 'e', 'P', '7595', 'c', 'W', 'd', '9985', 'V', '3719']
[A]: 36185


[Q]: ['R', 'G', 'x', '6625', 'f', '9065', '5287', '6745', '3061', 'Y', 'G', 'R', '3617', '1707', 'B', '2401', '9733', 'X']
[A]:
48241