#include <iostream>

using namespace std;

int arr[70707];

int main()
{
    int d,m;

    while(cin >> d, d) {
        cin >> m;
        int max = 0;

        for(int i=0; i<d; ++i) {
            cin >> arr[i];
        }

        int have = 0;
        int price = 99999;

        for(int i=0; i<d; ++i) {
            int profit = arr[i]*have;
            if(profit - have*price > max)
                max = profit - have*price;

            if(arr[i]<price) {
                price = arr[i];
                have = m/arr[i];
            }
        }

        cout << max << endl;
    }

    return 0;
}