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.

['1165', '8341', '9685', '6749', '8571', 'p', '9355', '5319', '9587', 'B', '9581', '1719', 'Q', '577', '8883', 'S', '7851', '1069', 'i', 'y']
88452

['6669', 'n', 't', 'N', 'x', '8153', 'W', 'v', 'B', '3181', 'y', 'e', '3491']
21494

['9197', 'y', '7809', '5995', 'o', 'N', '3593', '5957', 'y', 'b', '6931', 'T', '3763', 'T']

43245