#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1000000007;
long long modpow(long long a, long long b){
	long long ans = 1;
	while (b > 0){
		if (b % 2 == 1){
			ans *= a;
			ans %= MOD;
		}
		a *= a;
		a %= MOD;
		b /= 2;
	}
	return ans;
}
int main(){
  int N, M, X;
  cin >> N >> M >> X;
  vector<long long> A(N);
  for (int i = 0; i < N; i++){
    cin >> A[i];
  }
  vector<long long> B(M);
  for (int i = 0; i < M; i++){
    cin >> B[i];
  }
  long long S = 0;
  for (int i = 0; i < N; i++){
    S ^= A[i];
  }
  for (int i = 0; i < M; i++){
    S ^= B[i];
  }
  if (S != 0){
    cout << 0 << endl;
  } else {
    cout << modpow(2, (long long) (N - 1) * (M - 1) * X) << endl;
  }
}