#include <bits/stdc++.h>

#define NM 100002

using namespace std;

int n, v[NM], mx = -1, lmx = -1, rmx = -1;

int main()
{
    ifstream fin ("xormax.in");
    ofstream fout ("xormax.out");
    fin >> n;
    for(int i = 1; i <= n; i++)
        fin >> v[i];
    for(int i = 1; i <= n; i++)
    {
        int xorval = 0;
        for(int j = i; j <= n; j++)
        {
            xorval ^= v[j];
            if(xorval > mx || (xorval == mx && j < rmx))
            {
                mx = xorval;
                lmx = i;
                rmx = j;
            }
        }
    }
    fout << mx << " " << lmx << " " << rmx << "\n";
    return 0;
}