#include<fstream>  
#include<iostream>  
using namespace std;    
     
int N,inceput,sfarsit,i,j,max,sum,v[7000011],poz;    
     
 int main()    
 {    
     ifstream f("ssm.in");   
     f>>N;    
     for (i=1;i<=N;++i)    
       f>>v[i];    
     f.close();
 int  max=0,sum=0;    
     for (i=1;i<=N;++i)    
     {    
         if (sum>=0)    
              sum+=v[i];    
         else     
         {    
             sum=v[i];    
             poz=i;    
         }    
         if (sum>max)    
         {    
             max=sum;    
             inceput=poz;    
             sfarsit=i;       
         }    
     }    
     ofstream g("ssm.out");    
     g<<max<<" "<<" "<<inceput<<" "<<sfarsit;  
     g.close();  
     return 0;  
     }