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:
['2469', 'c', '6931', 'a', '2167', '9493', '9403', '4123', '4949', 'R', 'V', 'h', '315', 'T', '9411', 'M', '1329', '8217', '6105', 'Y']
answer:
64912


question:
['6011', 'G', '9043', '8009', 'e', '9493', 'G', '7969', 'M', 'n', 'p', 'g', '7925', 'H', '3213', '8095', '97', 'F']
answer:
59855


question:
['6741', 'N', '6539', 'g', 'o', 'U', 'S', '3007', '8575', 'i', 'L', 'V', 'y', '3979', '2417', 'm', '7635', '2985', 'c']
answer:

41878