#include <cstdio>

using i32 = int;
using i64 = long long;

__attribute__((always_inline)) i32 expo(i32 A, i32 B)
{
    i32 result = 1;

    while(B)
    {
        if(B & 1)

            result = (result * A) % 10007;

        A = (A * A) % 10007;

        B >>= 1;
    }

    return result;
}

#define SIZE 0x10000

__attribute__((always_inline)) void read(int &num)
{
    static char inBuffer[SIZE];

    static int p = ~-SIZE; num = 0x0;

    while(inBuffer[p] < 0x30 | inBuffer[p] > 0x39)
    {
        ++p != SIZE || (fread(inBuffer, 0x1, SIZE, stdin), p = 0x0);
    }

    while(inBuffer[p] > 0x2F & inBuffer[p] < 0x3A)
    {
        num = num * 0xA + inBuffer[p] - 0x30;

        ++p != SIZE || (fread(inBuffer, 0x1, SIZE, stdin), p = 0x0);
    }
}

char outBuffer[0x927C0];

__attribute__((always_inline)) void itoa(i32 x)
{
    static i32 p = 0x0;

    i32 digits = x > 0x1869F    ? 0x6 :
                 x > 0x270F     ? 0x5 :
                 x > 0x3E7      ? 0x4 :
                 x > 0x63       ? 0x3 :
                 x > 0x9        ? 0x2 : 0x1;

    for(i32 i = ~-digits; ~i; --i)
    {
        outBuffer[p + i] = x % 0xA + 0x30;

        x = x / 0xA;
    }

    p = p + digits; outBuffer[p++] = 0xA;
}

i32 main()
{
    freopen("matrice5.in", "r", stdin);
    freopen("matrice5.out", "w", stdout);

    i32 T, N, M, P, K;

    read(T);

    do
    {
        read(N); read(M); read(P); read(K);

        itoa((expo(P * K % 10007, (M - 1) * (N - 1)) * expo(P, M + N - 1)) % 10007);

    }while(--T);

    puts(outBuffer);

    return 0;
}