instruction:
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.
question:
['t', 'x', '5629', 'k', '2003', 'v', '541', 'l', 'v', '7983', '677', '6173', 'z', 'J', 's', 'u', '2187', 'Y']
answer:
25193


question:
['8109', '6811', 'f', 'l', '5869', 'm', '4657', 'y', 'P', '7983', 'o', 's', 'i', 'm', '2141', '4497']
answer:
40067


question:
['3245', 'A', '3647', '9619', '2125', '5397', 'p', 's', '59', 'W', 'L', 'P', 'Y', '4609', '5757', 'e', '5333', '7361', 'i']
answer:

47152