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.

Q: ['3655', '1349', '6519', '1019', 'v', '4811', '8609', '9147', '8225', '2665', '2627', '5839']

A: 54465
****
Q: ['d', '7305', '8903', 'b', '7687', '6393', '6939']

A: 37227
****
Q: ['8601', '8143', '8433']

A:
25177
****