#include <fstream>
#define i64 long long

using namespace std;
 
ifstream cin("xormax.in");
ofstream cout("xormax.out");

const int NMAX = 100002;
int N;
int a[NMAX];
//O(N^2)
void brute() {
	int xorMax = 0;
	int l = -1, r = -1;
	for(int i = 1;i <= N;i++) {
		int currXor = 0;
		for(int j = i;j >= 1;j--) {
			currXor ^= a[j];
			if(currXor > xorMax) {
				xorMax = currXor;
				l = j;
				r = i;
			}
		}
	}
	cout<<xorMax<<" "<<l<<" "<<r<<"\n";
}

void readData() {
	cin>>N;
	for(int i = 1;i <= N;i++) {
		cin>>a[i];
	}
}

int main()
{
	readData();
	brute();
	return 0;
}