import java.io.*;
import java.util.*;

public class Main {
    static final int MOD = 1000000007;
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        int m = sc.nextInt();
        int k = sc.nextInt();
        long[] current = new long[1024];
        long[] next = new long[1024];
        long[] sumA = new long[1024];
        for (int i = 0; i < n; i++) {
            int x = sc.nextInt();
            next[x]++;
            sumA[x]++;
            for (int j = 0; j < 1024; j++) {
                next[x ^ j] += current[j];
                next[x ^ j] %= MOD;
                sumA[x ^ j] += current[j];
                sumA[x ^ j] %= MOD;
            }
            long[] tmp = current;
            current = next;
            next = tmp;
            Arrays.fill(next, 0);
        }
        long[] sumB = new long[1024];
        Arrays.fill(current, 0);
        for (int i = 0; i < m; i++) {
            int x = sc.nextInt();
            next[x]++;
            sumB[x]++;
            for (int j = 0; j < 1024; j++) {
                next[x ^ j] += current[j];
                next[x ^ j] %= MOD;
                sumB[x ^ j] += current[j];
                sumB[x ^ j] %= MOD;
            }
            long[] tmp = current;
            current = next;
            next = tmp;
            Arrays.fill(next, 0);
        }
        long ans = 0;
        for (int i = 0; i < 1024; i++) {
            ans += sumA[i] * sumB[i ^ k] % MOD;
            ans %= MOD;
        }
        System.out.println(ans);
    }
    
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
    
}