#include <fstream>
using namespace std;
ifstream f("descmult.in");
ofstream g("descmult.out");
int n, a, b, c, nr, k;
int D[23], E[23];
int F[1000003];
unsigned long long nrd, p;
int main()
{
    f >> c;
    f >> n >> a >> b;
    for(int i=1; i<=n; ++i)
        f >> D[i];

    for(int i=1; i<=n; ++i)
        f >> E[i];

    if (c == 1)
    {
        nrd = 1;
        for(int i=1; i<=n; ++i)
            nrd *= (E[i] + 1);
        g << nrd << '\n';
    }
    else
    {
        F[1] = k = 1;
        if (a == 1) g << "1 ";
        for(int i=1; i<=n; ++i)
        {
            p = 1;
            int m = k;
            while(E[i]--)
            {
                p *= D[i];
                if (p > b) break;
                for(int j=1; j<=k; ++j)
                {
                    long long y = F[j] * p;
                    if (y <= b)
                    {
                        if (y >= a) g << y << " ";
                        F[++m] = y;
                    }
                }
            }
            k = m;
        }
        g << '\n';
    }
    return 0;
}