#include <stdio.h>
#include <string.h>

int main()
{
	int d,m;
	while (scanf("%d %d", &d, &m) != -1)
	{
		if (d == 0)
			break;
		int best = 0;
		int buyc = 1000000;
		int buypocet = 0;
		int num;
		for (int i = 0; i < d; i++)
		{
			scanf("%d", &num);

			if (num*buypocet - buyc > best)
				best = num*buypocet - buyc;
			int newpoc = m / num;
			int newbuy = newpoc * num;
			if (newpoc > buypocet)
			{
				buypocet = newpoc;
				buyc = newbuy;
			}
			else if (newbuy < buyc && buypocet == newpoc)
			{
				buypocet = newpoc;
				buyc = newbuy;
			}
		}
		printf("%d\n", best);
	}
	return 0;
}