| Product of digits |
For a given non-negative integer number N
The first line of input contains one positive integer number, which is the number of data sets. Each subsequent line contains one data set which consists of one non-negative integer number N
For each data set, write one line containing the corresponding natural number Q
Input
N
109)
Output
Sample Input
3
1
10
123456789
Sample Output
1
25
-1