#include <iostream>
//#include <string>
//#include <iomanip>
//#include <cstdlib>
#include <set>
//#include <cmath>
//#include <cstring>

using namespace std;

int pole[10];
int size;
unsigned long int limit_d;
unsigned long int limit_h;

set<unsigned long int> vystup;
set<unsigned long int>::iterator it;

void f(unsigned long int soucin_vcetne , int index_p)
{
  if(soucin_vcetne>limit_h)
    return;
  if(soucin_vcetne>=limit_d)
    vystup.insert(soucin_vcetne);
  for(;index_p<size;index_p++)
  {
    f(soucin_vcetne*pole[index_p],index_p);
  }
}

int main()
{
  while(true)
  {
    cin>>size;
    if(size==0)
      break;
    for(int i=0;i<size;i++)
      cin >> pole[i];
    cin >> limit_d >> limit_h;
    vystup.clear();
    if(limit_d<=1)
      vystup.insert(1);
    for(int i = 0;i<size;i++)
      f(pole[i],i);
    it = vystup.begin();
    if(it == vystup.end())
      cout << "none"<<endl;
    else
    {
      cout << (*it);
      it++;
      for( ; it != vystup.end() ; it++)
	cout << ','<< (*it) ;
      cout << endl;
    }
  }
  return 0;
}