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.

['E', '9289', 'j', '1847', 'u', 'w', 'z', '4045', '9567', '3133', '2967', 'I', '1927', 'I', 'f', 'T']
32775

['9211', '1889', '7371', '9649', 'b', 'y', 'q', 'a', 'i', '1137', '3291', '8625']
41173

['M', '3561', '917', '6835', 'J', 'L', '1091', 'n', 'A', '4259', '609']

17272