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: ['H', 'i', '8085', 'E', 'q']

Answer: 8085


Question: ['z', '3199', 'r', '849', 'C', 'v', '1931', 'M', 'Q', '4531', '579', 'x', '8997', '4663']

Answer: 24749


Question: ['8969', '9965', '7647', '6169', 'a', '5887', '9111', '7181', '1829', 'B', '6713', '6441', '1163', 'A', 'j']

Answer:
71075