#include <fstream>

using namespace std;
ifstream fin ("ssm.in");
ofstream fout ("ssm.out");
int main()
{
    long n,i,smaxint,smax=-2147483648,iinc,imin,ifin,x=0,y=0,lng;
    int check=0,check1=0;
    long mini=2147483646;
    fin>>n;
    //a[0]=b[0]=0;
    fin>>y;
    //a[0]=y;
    imin=2;
    ifin=1;
    mini=y;
    iinc=1;
    smax=y;
    smaxint=y;
    for (i=1;i<n;i++)
    {
        fin>>x;
      //  a[i]=x;
        //z=y;
        //z=y;
        y=y+x;
        if (y<mini)
        {
            check1=1;
            mini=y;
            imin=i+2;

        }
        else
        {

             smaxint=y-mini;
            if (smaxint>smax)
            {
                iinc=imin;
                check=1;
                ifin=i+1;
                smax=smaxint;
                lng=ifin-iinc;
            }
            else
                if(smaxint==smax)
                {
                    if ( lng>i+1-imin )
                    {
                        iinc=imin;
                check=1;
                ifin=i+1;
                smax=smaxint;
                lng=ifin-iinc;
                    }
                }
        }
    }
    /*if ( check && check1)
        fout<<smax<<" "<<imin<<" "<<ifin;
    else
        if (!check1)
            if ( check )
                fout<<smax<<" "<<1<<" "<<ifin;
            else
                fout<<smax<<" "<<1<<" "<<1;
        else
            fout<<smax<<" "<<1<<" "<<1;*/
    //if ( iinc > ifin )
    //{
        fout<<smax<<" "<<iinc<<" "<<ifin;
    //}
    fin.close();
    fout.close();

    return 0;
}