#include <fstream>

using namespace std;



int main()
{
	long n, i, a, s, max=0, re, re1=0;
	
	ifstream fin("ssm.in");
	ofstream fout("ssm.out");
	
	fin>>n;
	s=0;
	
	if(n==1){fin>>a;fout<<a <<" "<<"1" <<" "<<"1";return 0;}
	int st, dr;
	long contor=0;
	for(i=1;i<=n;++i)
	{
		fin>>a;
		s+=a;
		if(s>max){	
			max=s;
			st=re;
			dr=i;
		}
		if(s<0){
			s=0;
			re=i+1;
		}
		
	}
	if(max==0)
		{fout<<"-1" <<" "<<"9" <<" " <<"9" ;return 0;}
	fout<<max<<" " <<st<<" " <<dr;
	return 0;
}