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]: ['j', 'A', 'L', 'i', 'I', '3827', '8245', 'H', 'J', '8117', 'w', '4659', 'Y', 'x', 'K']
[A]: 24848


[Q]: ['E', '9289', 'j', '1847', 'u', 'w', 'z', '4045', '9567', '3133', '2967', 'I', '1927', 'I', 'f', 'T']
[A]: 32775


[Q]: ['V', '4429', '4561', '247', '9149', '765', 'Y', 'l', 'R', 'y', '503', 'p', 'v', '1133', 'q']
[A]:
20787