#include <bits/stdc++.h>
using namespace std;
signed main(){
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
long long n;
cin >> n;
vector<long long> a(n);
vector<long long> k(n);
vector<long long> res;
vector<long long> ne;
ne.push_back(1);
for (long long i = 0; i< n;i++) cin >> a[i];
for (long long i = 0; i< n;i++) cin >> k[i];
for (long long i = 1; i< n;i++){
long long c = a[i-1];
long long b = a[i];
long long pop = __builtin_popcountll(c&b);
if (pop == k[i]){
ne.push_back(i+1);
}else{
if (ne.size()>res.size()){
res = ne;
ne.clear();
}
}
}
if (ne.size()>res.size()){
res = ne;
}
ne.clear();
for (int d = 1; d<n-1;d++){
for (long long i = d; i< n;i++){
long long c = a[i-1];
long long b = a[i];
long long pop = __builtin_popcountll(c&b);
if (pop == k[i]){
ne.push_back(i+1);
}
}
if (ne.size()>res.size()){
res = ne;
}
ne.clear();
}
if (ne.size()>res.size()){
res = ne;
ne.clear();
}
cout << res.size() << "\n";
for (long long el:res) cout << el << " ";
return 0;
}
