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]: ['5331', 'f', '2865', '6019', 'U', 'm', 'g', 'n', 'Y', 'A']
[A]: 14215


[Q]: ['1693', '9237', '7591', '1593', 'R', '6295', '9379']
[A]: 35788


[Q]: ['5827', 'Q', '4477', 'H', '7515', '8149', 'x', 'p', '4897', 'h', 'P', '7491', '3487', '1111', '4337', 'E', 'J', 't', 'P', 'J']
[A]:
47291