#include <iostream>
#include <vector>
using namespace std;

int main()
{
 int M,D;
 cin >> D;
 vector<int> all;
 int best;
 int test;
 while(D!=0)
 {
   cin >> M;
   best=0;
   all.clear();
   for (int i=0;i<D;i++)
   { 
     int tmp;
     cin >> tmp;
     all.push_back(tmp);
   }
   /*for (int i=0;i< all.size();i++)
     cout << all[i] << " ";
   cout << endl;*/
   
   for (int i=all.size()-1;i>=1;--i)
     //for (int j=i-1;j>=0;--j)
      for (int j=0;j<i;j++)
      {
        if (all[j]<=M && all[i]>all[j])
          {
            test=((int(M/all[j]))*all[i])-((all[j]*int(M/all[j])));
            if (test>best)
              best=test;
          }
      }
   cout << best << endl;
   cin >> D;
   
 }
 return 0;
}