#include <fstream>
#include <iostream>
#include <algorithm>
using namespace std;
const int MOD=10007;
int Power(int a, int b)
{
    int ans=1;
    while(b)
    {
        if(b%2==0)
        {
            b/=2;
            a=(a*a)%MOD;
        }
        else
        {
            ans=(ans*a)%MOD;
            b--;
        }
    }
    return ans;
}
int n,m,k,p,t;
int main ()
{
    ifstream cin("matrice5.in");
    ofstream cout("matrice5.out");
    cin>>t;
    while(t--)
    {
        cin>>n>>m>>p>>k;
        cout<<(Power(p,n*m)*Power(k,(n-1)*(m-1)))%MOD<<"\n";
    }
    return 0;
}