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

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[] countsA = new long[1024];
        int current = 0;
        countsA[0]++;
        for (int i = 0; i < n; i++) {
            current ^= sc.nextInt();
            countsA[current]++;
        }
        long[] ansA = new long[1024];
        for (int i = 0; i < 1024; i++) {
            for (int j = i; j < 1024; j++) {
                if (i == j) {
                    if (countsA[i] % 2 == 0) {
                        ansA[0] += countsA[i] / 2 * (countsA[i] - 1) % MOD;
                    } else {
                        ansA[0] += (countsA[i] - 1) / 2 * countsA[i] % MOD;
                    }
                    ansA[0] %= MOD;
                } else {
                    ansA[i ^ j] += countsA[i] * countsA[j] % MOD;
                    ansA[i ^ j] %= MOD;
                }
            }
        }
        long[] countsB = new long[1024];
        current = 0;
        countsB[0]++;
        for (int i = 0; i < m; i++) {
            current ^= sc.nextInt();
            countsB[current]++;
        }
        long[] ansB = new long[1024];
        for (int i = 0; i < 1024; i++) {
            for (int j = i; j < 1024; j++) {
                if (i == j) {
                    if (countsB[i] % 2 == 0) {
                        ansB[0] += countsB[i] / 2 * (countsB[i] - 1) % MOD;
                    } else {
                        ansB[0] += (countsB[i] - 1) / 2 * countsB[i] % MOD;
                    }
                    ansB[0] %= MOD;
                } else {
                    ansB[i ^ j] += countsB[i] * countsB[j] % MOD;
                    ansB[i ^ j] %= MOD;
                }
            }
        }
        long ans = 0;
        for (int i = 0; i < 1024; i++) {
            ans += ansA[i] * ansB[i ^ k] % MOD;
            ans %= MOD;
        }
        System.out.println(ans);
    }
}
class Utilities {
    static String arrayToLineString(Object[] arr) {
        return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
    }
    
    static String arrayToLineString(int[] arr) {
        return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
    }
}
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 int[] nextIntArray() throws Exception {
        return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
    
}