#include <cmath>
#include <vector>
#include <iostream>
#include <algorithm>
#include <set>
#include <iomanip>
#include <numeric>
#include <queue>
#include <string>
#include <map>
#include <fstream>
#include <cassert>
#include <stack>

constexpr long long int MOD = 1000000007;
long long int power(long long int base, long long int exp) {
	long long int result{ 1 };
	while (exp > 0) {
		if (exp & 1) {
			result = (result * base) % MOD;
			--exp;
		}
		else {
			base = (base * base) % MOD;
			exp >>= 1;
		}
	}
	return result;
}
int main() {
	int n, m, x; std::cin >> n >> m >> x;
	std::vector<long long int> row(n), column(m);
	for (auto& r : row) std::cin >> r;
	for (auto& c : column) std::cin >> c;
	const auto row_xor = std::accumulate(row.begin(), row.end(), 0LL, [](const long long int acc, const long long int r) {return acc ^ r; });
	const auto column_xor = std::accumulate(column.begin(), column.end(), 0LL, [](const long long int acc, const long long int l) {return acc ^ l; });
	if (row_xor != column_xor) {
		std::cout << 0 << '\n';
		return 0;
	}
	std::cout << power((1LL << x) % MOD, (n - 1LL) * (m - 1LL)) << '\n';
}