//
// Created by liasa on 23/11/2025.
//
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define v vector
#define lp(i, s, e) for (int i = s; i < e; ++i)
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
int n;
cin >> n;
v<int> a(n), k(n);
lp(i, 0, n) cin >> a[i];
lp(i, 0, n) cin >> k[i];
int ans = 0, idx = 0;
v<int> dp(n + 1, 1), pr(n + 1, -1);
lp(i, 1, n + 1) {
dp[i] = 1;
lp(j, 1, i) {
int cnt_and = __builtin_popcount(a[i - 1] & a[j - 1]);
if (cnt_and == k[i - 1] && dp[i] < dp[j] + 1) {
dp[i] = max(dp[i], dp[j] + 1);
pr[i] = j;
}
}
if (ans < dp[i]) {
ans = dp[i];
idx = i;
}
}
v<int> vec;
while (idx != -1) {
vec.push_back(idx);
idx = pr[idx];
}
cout << ans<<'\n';
reverse(vec.begin(), vec.end());
for (auto it : vec) {
cout << it << " ";
}
}
