#include <cstdio>

using namespace std;

int main()
{
    freopen("matrice5.in","r",stdin);
    freopen("matrice5.out","w",stdout);
    int n,m,p,k,t,rez,aux,aux2;

    scanf("%d",&t);

    for(int i=1; i<=t; i++)
    {
        scanf("%d %d %d %d",&n,&m,&p,&k);

        //p*k ^ (n-1)(m-1)
        rez=p*k;
		aux = (n-1)*(m-1)-1;
		aux2 = p*k;
        for(int j=1; j<=aux; j++)
        {
            rez = rez * p * k;
            rez = rez % 10007;
        }

        // * p^(n+m-1)
		aux = (n+m-1);
        for(int j=1; j<=aux; j++)
        {
            rez = rez * p;
            rez = rez % 10007;
        }

        printf("%d\n",rez);
    }
    return 0;
}