#include <fstream>
#define int long long
using namespace std;
ifstream in("matrice5.in");
ofstream out("matrice5.out");
const int MOD = 1e4+7;
int q, n, m, k, p;
int quickpow(int x, int a)
{
    int p = 1;
    while(a)
    {
        if (a%2) p = (p*x)%MOD;
        x = (x*x)%MOD;
        a /= 2;
    }
    return p;
}
int32_t main()
{
    in >> q;
    while(q)
    {
        q--;
        in >> n >> m >> p >> k;
        out << (quickpow(p, n*m) * quickpow(k, (m-1)*(n-1)))%MOD << '\n';
    }
}