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: ['D', '1259', '8927', '3345', '553', '7209', '2507', 'l', 'o', '7317', '1227', '6749', 'S', '3171', 'I', '197', '9577', 'j', 'Q']

Output: 52038


Input: Consider Input: ['6011', 'G', '9043', '8009', 'e', '9493', 'G', '7969', 'M', 'n', 'p', 'g', '7925', 'H', '3213', '8095', '97', 'F']

Output: 59855


Input: Consider Input: ['y', '7665', '3627', '8161', 'V', '5939', 'E', 'S', '1165', 'g', '4855', '7435', '3065', '6353', '1859', '6925', 'Y', '6155']


Output: 63204