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.

['m', '4645', '711', 'l', '5085', '8989', '2387', 'n', 'V', '1613', '4011', '3261', 'p', 'X', '349', 'e']
31051

['1965', '8127', 'x', '4981', '8077', 'O', '467', '701', 'V', 'm', 'y', '5989', '123', 't', '4019', 'j', '1827', '8799']
45075

['1007', '4759', 'F', 'j', 'x', 'T', 'y', 'C', '7909', '1347', '7865', '9447', '7237', '1509', '6695', 'a', '9847']

57622