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: ['w', '7301', '9411', 'z', 'g', 'X', '1045', 'l', 'F', 'M', 'R', '7957', 'e', '5145']

A: 30859
****
Q: ['3051', '5343', 'k', 'k', '6815', 'E', '4745', 'A', 'A', '1251', '6649', 'f', '4133', 'X']

A: 31987
****
Q: ['g', '585', 'J', 'W', 't', '2353', 'j', '1719', '8195', '8433', '6989', '1933']

A:
30207
****