UVa 10013 - Super long sums

10013 - Super long sums

 * http://acm.uva.es/p/v100/10013.html

Summary
Standard BigNum addition.

Explanation
Use BigNum to add, or write from scratch: simply use a string to represent the number and sum.

Input
2

4 0 4 4 2 6 8 3 7

3 3 0 7 9 2 8

Output
4750

470