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 Q]: ['2417', '6671']
[EX A]: 9088

[EX Q]: ['s', '3881', 'l', '5271', '9227', 'Z', '5429', '7691', '6127', '6301', '8533', 'T', '233', 'j', '1685', 'F', 'b', '3797', '6633', '7917']
[EX A]: 72725

[EX Q]: ['h', '7359', 'D', '2363', 'b', '3359', 'i', 'g', '7687', 'N', 'f', 'D', 'm', 't', '9553', 'N', 'V', '7657', '6589', 'q']
[EX A]:
44567