#include <bits/stdc++.h>
#define modulo 10007

using namespace std;
ifstream f ("matrice5.in");
ofstream g ("matrice5.out");
long long int t,n,m,p,k,rez=1;
long long int putere(long long int n, long long int p)
{
    int nlaput=n,rez=1,cif;
    while(p)
    {
        cif=p%2;
        p/=2;
        if(cif==1)
            rez=(rez*nlaput)%modulo;
        nlaput=(nlaput*nlaput)%modulo;
    }
    return rez;
}
int main()
{
    f>>t;
    while(t)
    {
        f>>n>>m>>p>>k;
        rez=(putere(p,n*m)*putere(k,(n-1)*(m-1)))%modulo;
        g<<rez<<'\n';
        t--;
    }

    return 0;
}