1018 - Multiple

Time limit : 3 sMemory limit : 32 mb
Submitted : 1566Accepted : 413

Problem Description

a program that, given a natural number N between 0 and 4999 (inclusively), and M distinct decimal digits X1,X2..XM (at least one), finds the smallest strictly positive multiple of N that has no other digits besides X1,X2..XM (if such a multiple exists).

Input

The input file has several data sets separated by an empty line, each data set having the following format:

Output

On the first line - the number N
On the second line - the number M
On the following M lines - the digits X1,X2..XM.

For each data set, the program should write to standard output on a single line the multiple, if such a multiple exists, and 0 otherwise.

Sample Input

22
3
7
0
1

2
1
1

Sample Output

110
0