#include <bits/stdc++.h>
using namespace std;

ifstream fin("xormax.in");
ofstream fout("xormax.out");

class Trie {
  private:
    struct Node {
        int pos = 0;
        int next[2] = {};
    };
    vector<Node> trie{1};

  public:
    void insert(int pos, int val) {
        int node = 0;
        for (int bit = 20; bit >= 0; bit--) {
            bool now = (val & (1 << bit));
            if (!trie[node].next[now]) {
                trie[node].next[now] = trie.size();
                trie.emplace_back();
            }
            node = trie[node].next[now];
        }
        trie[node].pos = pos;
    }

    tuple<int, int, int> query(int pos, int val) {
        int node = 0, ans = 0;
        for (int bit = 20; bit >= 0; bit--) {
            bool now = (val & (1 << bit));
            if (!trie[node].next[!now])
                node = trie[node].next[now];
            else {
                node = trie[node].next[!now];
                ans |= (1 << bit);
            }
        }
        return make_tuple(ans, -pos, trie[node].pos + 1);
    }
};

int main() {
    Trie trie; trie.insert(0, 0);
    int n; fin >> n;
    tuple<int, int, int> ans(-1, 0, 0);
    for (int i = 1, sum = 0; i <= n; i++) {
        int x; fin >> x; sum ^= x;
        ans = max(ans, trie.query(i, sum));
        trie.insert(i, sum);
    }
    fout << get<0>(ans) << ' ' << -get<1>(ans) << ' ' << get<2>(ans) << '\n';
    return 0;
}