#include <bits/stdc++.h>
#define MOD 10007
#define ll long long
using namespace std;
ifstream f("matrice5.in");
ofstream g("matrice5.out");
ll put(int x, int n)
{
    ll r=1;
    ll a=x;
    while(n)
    {
        if(n%2)
            r=(r*a)%MOD;
        n/=2;
        a=(a*a)%MOD;
    }
    return r;
}
int main()
{
    int t,n,m,k,p;
    f>>t;
    ll ans,a1,a2;
    for(;t;t--)
    {
        f>>n>>m>>p>>k;
        a1=put(p,n*m);
        a2=put(k,(n-1)*(m-1));
        ans=(a1*a2)%MOD;
        g<<ans<<'\n';
    }

    return 0;
}