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.

Input: Consider Input: ['i', 'o', '1321', 'I', 'W', 'e', '1201', 'I', 'e', 'F', '9841', 'm', '9827', 'q', 'f', 'X', '8261']

Output: 30451


Input: Consider Input: ['5715', 'r', 'R']

Output: 5715


Input: Consider Input: ['c', '5111', '1799']


Output: 6910