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]: ['O', 'K', 's', 'V', '6815', 'c', '9277', 'V', '1783', 'b', 'i', '2045', 'E', 'E', '2035']
[A]: 21955


[Q]: ['o', '445', '2601', 'h', 'V', 'C', 't', 'o', 'H', '3707', '7601']
[A]: 14354


[Q]: ['O', 'p', 'L', '6933', '9437', '9503', 'C', '3413', '897', 'g', 's']
[A]:
30183