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.

Ex Input:
['M', '5201', '2787', 'z', '9465', 'X', 'X', '4017', '8305', 'y', '6897', 'y', '6045', '9863', 's', 'd', '3611', 'l', 'd']

Ex Output:
56191


Ex Input:
['A', '6323', 'T', 'H', 'M', 'S', 'D', 'r', 'v', '8169', '7649', '5149', 'x', '6275']

Ex Output:
33565


Ex Input:
['2203', '3269', '6763', 'V', 'N', 'V', '9885', '2101', '6663', '7153', 'T']

Ex Output:

38037