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.

Q: ['2895', '8095', 'y', '1927', '4827']

A: 17744
****
Q: ['i', 'o', '1321', 'I', 'W', 'e', '1201', 'I', 'e', 'F', '9841', 'm', '9827', 'q', 'f', 'X', '8261']

A: 30451
****
Q: ['Q', 'b', '2211', '8137', 'H', 'G', 'O', 'V', '7005', '9487', 'a', '7931', '4655', '2827', 'l', 's', '6825', '6739']

A:
55817
****