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#include <fstream>
using namespace std;
ifstream f("xormax.in");
ofstream g("xormax.out");
int n,s[100001],pi,pim,pfm,sm,v[100001];
int main()
{
f>>n;
for(int i=1;i<=n;i++)
f>>v[i],s[i]=s[i-1]^v[i];
for(int i=1;i<n;i++)
for(int j=i+1;j<=n;j++)
{
int x=s[j]^s[i-1];
if(x>sm)
{
sm=x;
pim=i;
pfm=j;
}
else if(x==sm)
{
pfm=min(pfm,j);
pim=max(pim,i);
}
}
g<<sm<<" "<<pim<<" "<<pfm<<'\n';
return 0;
}