#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <utility>
#include <tuple>
#include <cstdint>
#include <cstdio>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <deque>
#include <unordered_map>
#include <unordered_set>
#include <bitset>
#include <cctype>
#include <functional>
#include <ctime>
#include <fstream>
#include <cmath>
#include <limits>
#include <numeric>
#include <type_traits>
#include <iomanip>
#include <float.h>
#include <math.h>
#include <random>
using namespace std;
using ll = long long;

long long modpow(long long a, long long n, long long mod) {
    long long res = 1;
    while (n > 0) {
        if (n & 1) res = res * a % mod;
        a = a * a % mod;
        n >>= 1;
    }
    return res;
}

int main() {
    ll n, m, x;
    cin >> n >> m >> x;
    ll r = 0;
    for (int i = 0; i < n + m; i++) {
        ll a;
        cin >> a;
        r ^= a;
    }
    if (r != 0)cout << 0 << endl;
    else cout << modpow(2, (n - 1) * (m - 1) * x, 1000000007) << endl;
}