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: ['3565', 'z', '8811', 'z', 'U', '113', 'I', '1307', '135', 'V', 'P', '5183', '2505', '4863', '1113', 'A', '7575', '827', 'B']

Output: 35997


Input: Consider Input: ['2895', '8095', 'y', '1927', '4827']

Output: 17744


Input: Consider Input: ['y', '7973', 'F', 'V', 'w', 'D', '9841', 'f', '9315', 'M', 'D', 'V', '2327', 'K', 'w', 'D', 'r', '1413']


Output: 30869