#include <fstream>
#define ll long long
#define mod 10007
using namespace std;
ifstream f("matrice5.in");
ofstream g("matrice5.out");

ll n, p ,k, m;
ll logpow(ll a, ll b)
{
    ll rez = 1;
    while(b)
    {
        if(b & 1)
            rez = (rez * a) % mod;
        a = (a * a) % mod;
        b >>= 1;
    }
    return rez;
}

int main()
{
    int t;
    f >> t;
    while(t--)
    {
        f >> n >> m >> p >> k;
        g << (logpow(p * k, (n - 1) * (m - 1)) * logpow(p, n + m - 1)) % mod << '\n';
    }
    f.close();
    g.close();
    return 0;
}