#include <bits/stdc++.h>
#define f " "<<ind1m<<" "<<ind2m
using namespace std;
ifstream fin("ssm.in");
ofstream fout("ssm.out");
int x=-2000000005,n,ind1,ind2,s,i,sm,ind1m,ind2m,nrm;
void ver()
{
    if(s>sm){
        sm=s;
        ind1m=ind1;
        ind2m=ind2;
    }
}
int main()
{
    fin>>n;
    ind1=1;
    for(i=1;i<=n;i++){
        fin>>x;
        ind2=i;
        if(x>nrm){
            nrm=x;
        }
        if(s<0){
            s=x;
            ver();
            ind1=i;
        }
        else{
            s=s+x;
            ver();
        }
    }
    if(nrm<0)
        fout<<nrm<<f;
    else
        fout<<sm<<f;
    return 0;
}