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]: ['i', 'o', '1321', 'I', 'W', 'e', '1201', 'I', 'e', 'F', '9841', 'm', '9827', 'q', 'f', 'X', '8261']
[EX A]: 30451

[EX Q]: ['v', '3135', 'J', 'm', 'a']
[EX A]: 3135

[EX Q]: ['Y', 'E', 'C', 'f', 'r', 'H', '8201', '1137', '3577', '7433', 'y', 'F', '2411', 'j', '3419', 'm', '7157']
[EX A]:
33335