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: ['b', '5689', '119', 'p', 'P', 'J', 'w', 'm', '7397', 'Y', '447', 'O', 'p', '319', 'H', 'U']

Answer: 13971


Question: ['z', 'T', 'Y', 's', 'j', '585', '7833', '2601', '8057', 'S', '7037', '5799', '4477', '5377', '6301', 'P', 'm', '9431', 'f']

Answer: 57498


Question: ['5629', 'v', '5041', 'f', '5259', '9573', '1563', '3659', 'r', 'b', 'h', '717', '1251', '6957', 'Q', 'z', '1875', '9153']

Answer:
50677