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: ['9869', '7701', 'H', 'o', 'v', '1431', 'O', 'L']

A: 19001
****
Q: ['r', '2251', 'X', 'H', 'a', '5463', 'g', 'M', '9797', '1581', 'o', 'm', 'v', 'E']

A: 19092
****
Q: ['7437', '4845', '2261', 'l', 'H', 'D', '8657', '5611', '201', 'z', '3741', '5295', 'y', 'n', '6499', '2867']

A:
47414
****