#include <bits/stdc++.h>

using namespace std;

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

int main()
{
    int n; int v[100005];
    int maximul=0,initialul=0,finalul=0;
    fin >> n;
    for (int i=1; i<=n; i++)
        fin >> v[i];
    for (int i=1; i<n; i++)
    {
        int partial = v[i],initialp=i;
        if (partial>=maximul)
        {
            maximul = partial;
            initialul = initialp;
            finalul = j;
        }
        for (int j=i+1; j<=n; j++)
        {
            partial = partial^v[j];
            if (partial>maximul || (partial==maximul && j<finalul) || (partial==maximul && j==finalul && j-initialp<finalul-initialul))
            {
                maximul = partial;
                initialul = initialp;
                finalul = j;
            }
        }
    }
    fout << maximul << " " << initialul << " " << finalul;
    return 0;
}