MUL - Fast Multiplication

给出一个n(n<=10^3) 有n组a,b(a,b最多有10000位)。分别输出n组a与b之积。 Translated by @Douglas

Multiply the given numbers.

_n_ \[the number of multiplications <= 1000\] _l1 l2_ \[numbers to multiply (at most 10000 decimal digits each)\] Text grouped in \[ \] does not appear in the input file.

The results of multiplications.

5
4 2
123 43
324 342
0 12
9999 12345

8
5289
110808
0
123437655

**Warning: large Input/Output data, be careful with certain languages**