#include 

using namespace std;

int main()
{
    int vistina, razum;
    cin >> vistina >> razum;
    for (int i = 1; i <= vistina; i++)
    {
        if (vistina % i == 0 and razum % i == 0)
        {
            cout << i << endl;
        }
    }
    return 0;
}