#include <fstream>

using namespace std;

ifstream f("xormax.in");
ofstream g("xormax.out");

int n, a[100005], i, j;
int k, kmax, lmax, rmax;

int main() {
    f >> n;
    for (i = 1; i <= n; i++)
        f >> a[i];

    for (i = 1; i <= n; i++) {
        k = a[i];
        for (j = i+1; j <= n; j++) {
            k = (k^a[j]);
            if (k > kmax) {
                kmax = k;
                rmax = j, lmax = i;
            }
            else if (k == kmax && (j-i+1) > rmax-lmax+1)
                rmax = j, lmax = i;
        }
    }
    g << kmax << ' ' << lmax << ' ' << rmax;
    return 0;
}