import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {
	static int mod = 1000000007;
	static int mx = 1024;

	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] sa = br.readLine().split(" ");
		int n = Integer.parseInt(sa[0]);
		int m = Integer.parseInt(sa[1]);
		int k = Integer.parseInt(sa[2]);
		sa = br.readLine().split(" ");
		int[] a = new int[n];
		for (int i = 0; i < n; i++) {
			a[i] = Integer.parseInt(sa[i]);
		}
		sa = br.readLine().split(" ");
		int[] b = new int[m];
		for (int i = 0; i < m; i++) {
			b[i] = Integer.parseInt(sa[i]);
		}
		br.close();

		long[] dpa = dp(a);
		long[] dpb = dp(b);
		long ans = 0;
		for (int i = 0; i < mx; i++) {
			int j = k ^ i;
			ans += dpa[i] * dpb[j];
			ans %= mod;
		}
		System.out.println(ans);
	}

	static long[] dp(int[] a) {
		long[] dp = new long[mx];
		long[] now = new long[mx];
		for (int i = 0; i < a.length; i++) {
			long[] next = new long[mx];
			for (int j = 0; j < mx; j++) {
				next[j ^ a[i]] += now[j];
			}
			next[a[i]]++;
			for (int j = 0; j < mx; j++) {
				next[j] %= mod;
			}
			for (int j = 0; j < mx; j++) {
				dp[j] += next[j];
				dp[j] %= mod;
			}
			now = next;
		}
		return dp;
	}
}