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

int main() {
	int s;
	scanf("%d", &s);
	char builder[70000] = "";
	char tmp[1000] = "";
	while (s != 0)
	{
		int l = s;
		scanf("%d", &c);
		int n;
		int ceny[70000];
		memset(ceny, 0, sizeof(ceny));
		int max = -1;
		for (int i = 0; i < l; i++)
		{
			scanf("%d", &ceny[i]);
		}
		for (int i = 0; i < (l - 1); i++)
		{
			if (i > 0)
			{
				if (ceny[i - 1] <= ceny[i])
					continue;
			}
			n = c / ceny[i];
			for (int j = i + 1; j < l; j++)
			{
				if ((n * (ceny[j] - ceny[i])) > max)
					max = n * (ceny[j] - ceny[i]);
			}
		}
		if (max > 0) {
			sprintf(tmp, "%d", max);
			strcat(builder, tmp);
		}
		else
			strcat(builder, "0");
		strcat(builder, "\n");

		scanf("%d", &s);
	}
	printf("%s", builder);

	return 0;
}