#include <bits/stdc++.h>
using namespace std;
inline void boost() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
}
const long long maxn = 2e6 + 123;
const long long inf = 1e9 + 123;
const long long linf = 1e18 + 123;
const long long mod = 1e9 + 7;
const double eps = 1e-9;
const double pi = acos(-1);
int dx[8] = {0, 1, -1, 0, 1, -1, 1, -1};
int dy[8] = {1, 0, 0, -1, 1, 1, -1, -1};
long long a[maxn], b[maxn];
vector<pair<long long, long long> > v[maxn];
int main() {
  boost();
  int n;
  cin >> n;
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
    a[i] += a[i - 1];
  }
  for (int i = 1; i <= n; i++) {
    cin >> b[i];
    b[i] += b[i - 1];
  }
  bool WAS = 0;
  if (a[n] > b[n]) {
    swap(a, b);
    WAS = 1;
  }
  for (int i = 1; i <= n; i++) {
    int j = lower_bound(b + 1, b + 1 + n, a[i]) - b;
    if (a[i] != b[j]) {
      j--;
    }
    v[a[i] - b[j]].push_back({i, j});
  }
  if (v[0].size() >= 1) {
    if (WAS == 0) {
      cout << v[0][0].first << "\n";
      for (int i = 1; i <= v[0][0].first; i++) {
        cout << i << " ";
      }
      cout << "\n";
      cout << v[0][0].second << "\n";
      for (int i = 1; i <= v[0][0].second; i++) {
        cout << i << " ";
      }
      cout << "\n";
    } else {
      cout << v[0][0].second << "\n";
      for (int i = 1; i <= v[0][0].second; i++) {
        cout << i << " ";
      }
      cout << "\n" << v[0][0].first << "\n";
      for (int i = 1; i <= v[0][0].first; i++) {
        cout << i << " ";
      }
      cout << "\n";
    }
    return 0;
  }
  for (int i = 1; i < n; i++) {
    if (v[i].size() >= 2) {
      if (WAS == 0) {
        cout << v[i][1].first - v[i][0].first << "\n";
        for (int j = v[i][0].first + 1; j <= v[i][1].first; j++) {
          cout << j << " ";
        }
        cout << "\n" << v[i][1].second - v[i][0].second << "\n";
        for (int j = v[i][0].second + 1; j <= v[i][1].second; j++) {
          cout << j << " ";
        }
        return 0;
      } else {
        cout << v[i][1].second - v[i][0].second << "\n";
        for (int j = v[i][0].second + 1; j <= v[i][1].second; j++) {
          cout << j << " ";
        }
        cout << "\n" << v[i][1].first - v[i][0].first << "\n";
        for (int j = v[i][0].first + 1; j <= v[i][1].first; j++) {
          cout << j << " ";
        }
        return 0;
      }
    }
  }
  exit(0);
}
