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]: ['D', '1259', '8927', '3345', '553', '7209', '2507', 'l', 'o', '7317', '1227', '6749', 'S', '3171', 'I', '197', '9577', 'j', 'Q']
[EX A]: 52038

[EX Q]: ['5077', '6819', '309', 'M']
[EX A]:
12205