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#include <fstream>
using namespace std;
ifstream fin("xormax.in");
ofstream fout("xormax.out");
long long v[100002];
int main()
{
int n;
fin>>n;
for(int i=1;i<=n;i++)
{
fin>>v[i];
}
long long maxim=0;
long long stop,start;
for(int i=1;i<=n;i++)
{
int s=v[i];
if(s>maxim)
{
maxim=s;
stop=i;
start=i;
}
for(int j=i+1;j<=n;j++)
{
s=s^v[j];
if(s>maxim)
{
maxim=s;
stop=i;
start=j;
}
}
}
fout<<maxim<<" "<<stop<<" "<<start ;
return 0;
}