#include <stdio.h>
#include <algorithm>
using namespace std;
int main()
{
	freopen("loto.in","r",stdin);
	freopen("loto.out","w",stdout);
	int n,s,i,a[101];
	scanf("%d%d",&n,&s);
	for (i=1; i<=n; i++)
		scanf("%d",&a[i]);
	sort(a+1, a+n+1);
	if (6*a[n]<s)
		printf("-1");
	for (i=n; i>=1; i--)
		if (s%a[i]==0 && s/a[i]==6)
		{
			printf("%d%d%d%d%d%d",a[i],a[i],a[i],a[i],a[i],a[i]);
			break;
		}
	return 0;
}