#include<fstream>
using namespace std;
int main()
{ifstream f("xormax.in");
ofstream g("xormax.out");
int i,j,a[100],n,q,b,c,max,aux;
f>>n;
for(i=1;i<=n;i++)
	f>>a[i];
max=(a[1]^a[2]);
b=1;
c=2;
for(i=0;i<=n;i++)
	for(j=1;j<=n-i;j++)
		{aux=a[j];
			for(q=j+1;q<=j+i;q++)
			aux=aux^a[q];
		if(aux>max)
			{max=aux;
	        b=j;
			c=j+i;}	
		}
g<<max<<" "<<b<<" "<<c;
}