#include <stdlib.h>
#include <stdio.h>

const int MAX = 80000;

int main()
{
	int dnu, penez;
	int cena[MAX];

	scanf("%d", &dnu);
	if (dnu != 0) scanf("%d", &penez);

	int pm[MAX];

	while (dnu != 0)
	{
		for (int i = 0; i < dnu; i++) scanf("%d", &cena[i]);

		//printf("BRM\n");
		pm[dnu-1] = dnu-1;
		for (int i = dnu-2; i >= 0; i--)
		{
			pm[i] = pm[i+1];
			if (cena[i] > cena[pm[i]]) pm[i] = i;
		}
		//for (int i = 0 ; i < dnu; i++) printf("%d\n", pm[i]);

		int max = 0;

		for (int a = 0; a < dnu-1; a++)
		{
			int p = penez / cena[a];
			if (p == 0) continue;

			int nm = p * ( cena[pm[a+1]] - cena[a] );
			//printf("a = %d, p = %d, nm = %d, max = %d\n", a, p, nm, max);
			if (max < nm) max = nm;
		}

		printf("%d\n", max);

		scanf("%d", &dnu);
		if (dnu != 0) scanf("%d", &penez);
	}
	return 0;
}