#include <bits/stdc++.h>

using namespace std;
 
#ifdef LOCAL
#include "debug.h"
#else
#define dbg(...) 69
#define nl(...) 42
#endif

#define ll long long
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
ll random(ll st, ll dr) {
    assert(st <= dr);
    return st + rng() % (dr - st + 1);
}

const int MOD = 1e9 + 7;
const int N = 2e5 + 10;
const int ALPHA = 2;

struct Node {
    int index;

    Node* sons[ALPHA];

    Node() : index(0) {
        memset(sons, 0, sizeof(sons));
    }
};

int decode(char c) {
    return c - 'a';
}

void add(Node* root, int x, int bit, int index) {
    if (bit == -1) {
        root->index = index;
        return;
    }

    int currBit = (x & (1 << bit)) > 0;
    if (!(root->sons[currBit])) {
        root->sons[currBit] = new Node();
    }

    add(root->sons[currBit], x, bit - 1, index);
}

pair<int, int> dive(Node *root, int x, int bit, int gain) {
    if (bit == -1) {
        return {gain, root->index};
    }

    int currBit = (x & (1 << bit)) > 0;

    if (root->sons[!currBit]) {
        return dive(root->sons[!currBit], x, bit - 1, gain + (1 << bit));
    } else {
        return dive(root->sons[currBit], x, bit - 1, gain);
    }
}

int n, x;

void solve(int test, istream &cin, ostream &cout) {
    cin >> n;
    Node* root = new Node();
    add(root, 0, 20, 0);
    int mx = -1;
    int st, dr;
    int s = 0;
    for (int i = 1; i <= n; i++) {
        cin >> x;
        s ^= x;
        auto ans = dive(root, s, 20, 0);
        if (ans.first > mx) {
            mx = ans.first;
            dr = i;
            st = ans.second + 1;
        }

        add(root, s, 20, i);
    }

    cout << mx << ' ' << st << ' ' << dr;
}

int main() {
    ifstream cin("xormax.in");
    ofstream cout("xormax.out");
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    auto start = std::chrono::high_resolution_clock::now();

    bool multiTest = false;

    int t;    
    if (multiTest) {
        cin >> t;
    } else {
        t = 1;
    }

    for (int test = 1; test <= t; test++) {
        solve(test, cin, cout);
    }

    auto stop = std::chrono::high_resolution_clock::now();
    auto duration = std::chrono::duration_cast<std::chrono::microseconds>(stop - start);
    // cerr << fixed << setprecision(6) << "Running time: " << (double) duration.count() / 1e6 << " seconds" << '\n';

    return 0;
}