#include <iostream>

using namespace std;

int main() {
	while (true){
		int n;
		cin >> n;
		if (n==0) break;
		
		int m;
		cin >> m;
		int *p = new int [n];
		int c = 0;
		int nakoupeno = 0;
		int prodano = 0;
		for (int i=0; i<n; i++){
			cin >> p[i];
		}

		for (int i=0; i<n-1; i++){
			if (p[i]<=m){
				nakoupeno = m/p[i];
				for (int j=i+1; j<n; j++){
					prodano = nakoupeno*p[j] - nakoupeno*p[i];
					if ( prodano > c){
						c = prodano ;
					}
				}
			}
		}
		cout << c << endl;
	}
	return 0;
}