#include <bits/stdc++.h>
#define ull unsigned long long
#define FILES freopen("xormax.in","r",stdin);\
              freopen("xormax.out","w",stdout);
#define CMAX 15485863
#define fastio std::ios_base::sync_with_stdio(NULL),cin.tie(NULL),cout.tie(NULL);
#define mp make_pair
#define INF 1e18
#define mod 666013
#define ll long long
#define SMAX 300
#define MAX 100000
#define pb push_back
#define add emplace_back
#define void inline void
using namespace std;

class InParser {
private:
	FILE *fin;
	char *buff;
	int sp;

	char read_ch() {
		++sp;
		if (sp == 4096) {
			sp = 0;
			fread(buff, 1, 4096, fin);
		}
		return buff[sp];
	}

public:
	InParser(const char* nume) {
		fin = fopen(nume, "r");
		buff = new char[4096]();
		sp = 4095;
	}

	InParser& operator >> (int &n) {
		char c;
		while (!isdigit(c = read_ch()) && c != '-');
		int sgn = 1;
		if (c == '-') {
			n = 0;
			sgn = -1;
		} else {
			n = c - '0';
		}
		while (isdigit(c = read_ch())) {
			n = 10 * n + c - '0';
		}
		n *= sgn;
		return *this;
	}

	InParser& operator >> (long long &n) {
		char c;
		n = 0;
		while (!isdigit(c = read_ch()) && c != '-');
		long long sgn = 1;
		if (c == '-') {
			n = 0;
			sgn = -1;
		} else {
			n = c - '0';
		}
		while (isdigit(c = read_ch())) {
			n = 10 * n + c - '0';
		}
		n *= sgn;
		return *this;
	}
};
int n,tnodes,v[MAX+5], start, stop, s;
struct Trie
{
    int fr[22] = {0};
    bool isEnd;
};
vector<Trie> tr;
void add(int x,int j)
{
    int node = 0;
    for(int i = 20; i >= 0; --i)
    {
        int b = (1LL << i);

        if(x & b)
        {
            if(tr[node].fr[i]){
               node = tr[node].fr[i];
            }
            else
            {
                tr.pb(Trie());
                tnodes++;
                tr[node].fr[i] = tnodes;
                node = tnodes;
            }
        }
    }
    tr[node].isEnd = 1;
}
void read(int &a)
{
    a = 0;
    char c;
    while(1)
    {
        c = getchar();
        if(c < '0' || c > '9')
            break;
        a = a * 10 + c - '0';
    }
}
int main()
{
    fastio
    FILES
    tr.pb(Trie());
    cin >> n;
    int xm = 0, best = -1;
    for(int i = 1;i <= n; ++i)
    {
        cin >> v[i];
        xm ^= v[i];
        int node = 0, newxor = xm;
        for(int j = 20;j >= 0; --j)
        {
            int b = (1LL << j);
            if((xm & b) == 0)
            {
                if(tr[node].fr[j])
                {
                    node = tr[node].fr[j];
                    newxor ^= (1LL << j);
                }
            }
        }
        while(1)
        {
            if(tr[node].isEnd)
                break;
            bool ok = 0;
            for(int j = 0;j <= 20; ++j)
            {
                if(tr[node].fr[j])
                {
                    ok = 1;
                    newxor ^= (1 << j);
                    node = tr[node].fr[j];
                    break;
                }
            }
            if(!ok) break;
        }
        if(newxor > best)
            best = newxor, stop = i;
        add(xm,i);
    }
    xm  = 0;
    for(int i = stop;i >= 1; --i)
    {
        xm ^= v[i];
        if(xm == best)
        {
            cout << best << ' ' << i << ' ' << stop;
            exit(0);
        }
    }
}