Arrays-sum of two arrays

if sample input is:-
4
1 0 2 9
5
3 4 5 6 7
then
output should be
4, 4, 7, 15, 7
but given
3, 5, 5, 9, 6, END

Imagine the two arrays as two decimal numbers and then add them from their rightmost digits with carry over addition. You would get the correct answer

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