#include <bits/stdc++.h>
using namespace std;
int64_t DEBUG = 0;
int64_t Min(int64_t a, int64_t b) { return (a < b ? a : b); }
int64_t Max(int64_t a, int64_t b) { return (a > b ? a : b); }
int64_t Abs(int64_t a) { return (a >= 0 ? a : -a); }
void prLL1d(int64_t *vec, int64_t M, const char *str = NULL) {
  if (str != NULL) printf("%s ", str);
  for (int64_t i = 0; i < M; i++) {
    if (i > 0) printf(" ");
    printf("%d", vec[i]);
  }
  printf("\n");
}
int64_t max_score = numeric_limits<long long>::min();
int64_t n, u, r;
int64_t aa[31], b[31], kk[31], p[31];
void print1d(int64_t *vec, int64_t M, const char *str = NULL) {
  if (str != NULL) cout << str << " ";
  for (int64_t i = 0; i < M; i++) {
    if (i > 0) cout << " ";
    cout << vec[i];
  }
  cout << endl;
}
int64_t get_score(int64_t *a) {
  int64_t score = 0;
  for (int64_t i = 0; i < n; i++) score += a[i] * kk[i];
  if (DEBUG) {
    print1d(p, n, "p: ");
    print1d(a, n, "a: ");
    cout << "score= " << score << endl;
  }
  return score;
}
void oper(int64_t *a, int64_t type) {
  if (type == 1) {
    for (int64_t i = 0; i < n; i++) a[i] = a[i] ^ b[i];
  } else {
    int64_t orig_a[31];
    memcpy(orig_a, a, sizeof(orig_a));
    for (int64_t i = 0; i < n; i++) a[i] = orig_a[p[i] - 1] + r;
  }
}
void allFlip(int64_t *flip, int64_t n, int64_t k, int64_t *cur_a) {
  if ((u - k) % 2 == 0) {
    int64_t score = get_score(cur_a);
    max_score = Max(max_score, score);
  }
  if (DEBUG) {
    cout << "max_score= " << max_score << endl;
  }
  if (n == k) {
    return;
  }
  int64_t cached_a[31];
  if (k == 0 || flip[k - 1] == 2) {
    for (int64_t i = 1; i <= 2; i++) {
      flip[k] = i;
      memcpy(cached_a, cur_a, sizeof(cached_a));
      oper(cur_a, i);
      allFlip(flip, n, k + 1, cur_a);
      memcpy(cur_a, cached_a, sizeof(cached_a));
    }
  } else {
    flip[k] = 2;
    memcpy(cached_a, cur_a, sizeof(cached_a));
    oper(cur_a, 2);
    allFlip(flip, n, k + 1, cur_a);
    memcpy(cur_a, cached_a, sizeof(cached_a));
  }
}
int main(int argc, char **argv) {
  DEBUG = (argc >= 2) ? atoi(argv[1]) : 0;
  cin >> n >> u >> r;
  for (int64_t i = 0; i < n; i++) cin >> aa[i];
  for (int64_t i = 0; i < n; i++) cin >> b[i];
  for (int64_t i = 0; i < n; i++) cin >> kk[i];
  for (int64_t i = 0; i < n; i++) cin >> p[i];
  int64_t flip[101];
  for (int64_t i = 0; i < u; i++) {
    flip[i] = 0;
  }
  int64_t cur_a[31];
  for (int64_t i = 0; i < n; i++) cur_a[i] = aa[i];
  allFlip(flip, u, 0, cur_a);
  cout << max_score << endl;
  return 0;
}
