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.

['i', 'o', '1321', 'I', 'W', 'e', '1201', 'I', 'e', 'F', '9841', 'm', '9827', 'q', 'f', 'X', '8261']
30451

['5499', '39', 'Q', 'b', 'W', '7155', '2515']
15208

['8401', 't', '497', 'G', 'N', '5813', '3081', '9603', '1029', '2247', '5265', '7255', 'C', '3227', 'y', 't', '2533', '3723', 'j']

52674