#include <stdio.h>

typedef long long int ll;
constexpr int kMod = int(1E9 + 7), kN = int(2E5 + 10);

ll Pow(ll a, ll b) {
	ll ans = 1;
	while (b) {
		if (b & 1) ans = ans * a % kMod;
		a = a * a % kMod;
		b >>= 1;
	}
	return ans;
}

ll a[kN], b[kN];

int main() {
	int n, m, x;
	scanf("%d%d%d", &n, &m, &x);
	for (int i = 1; i <= n; i++) scanf("%lld", &a[i]);
	for (int i = 1; i <= m; i++) scanf("%lld", &b[i]);
	for (int i = 2; i <= n; i++) b[1] ^= a[i];
	for (int i = 2; i <= m; i++) a[1] ^= b[i];
	if (a[1] != b[1]) printf("0\n");
	else printf("%lld\n", Pow(Pow((1LL << x) % kMod, n - 1), m - 1));
}