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.

['5289', '1701', '5925', '7973', 'F', 'V', 'y', '5903', 'i']
26791

['4159', 'H', 'h', 'W', 'w', 'i', 'G', 'l', 'j', '5467', '9219', 'j', 'q', 'n', '5465', '6197', 'J', 'y']
30507

['9327', '6651', 'A', 'Z', '9977', '8493', 'C', 'g', '4497', '3515', 'a', 'y', '6489', '4783', '8113']

61845