#include <iostream>
#include <stdio.h>

int days;
int money;
int state[40000];
int states;

bool loop() {
	scanf("%d %d", &days, &money);
	if(days == 0)
		return false;
	if(days == 1) {
		printf("0\n");
		return true;
	}
	int last; //
	bool up = true;
	states = 0;
	for(int i = 0; i < days; i++) {
		int read;
		scanf("%d", &read);
		if(i == 0) {
			state[0] = read;
			states++;
			last = read;
			continue;
		}
		if(i == 1) {
			if(days == 2) {
				state[1] = read;
				states++;
				break;
			}
			if(read > last)
				up = true;
			else
				up = false;
			last = read;
			continue;
		}
		if(i == days -1) {
			state[states] = last;
			states++;
			state[states] = read;
			states++;
			break;
		}
		if(read > last && !up) {
			state[states] = last;
			states++;
			last = read;
			up = true;
			continue;
		}
		if(read < last && up) {
			state[states] = last;
			states++;
			last = read;
			up = false;
			continue;
		}
		last = read;
		
	}
	//int min = 1000000; int max = 0;
	int bla = 0;
	for(int i = 0; i < states; i++) {
		for(int j = i+1; j < states; j++) {
			int zisk = ((money / state[i]) * state[j]) - (money - (money%state[i]));
			if(bla < zisk) {
				bla = zisk;
			}
			/*if(max - min < state[j]-state[i]) {
				max = state[j];
				min = state[i];
			}*/
		}
	}
	printf("%d\n", bla);
	/*if(min >= max) {
		printf("0\n");
	} else {
		int buy = ((money / min) * max) - (money - (money%min));
		printf("%d\n", buy);
	}*/
	return true;
}

int main() {
	while(loop());
	return 0;
}