#include <iostream>
#include <fstream>

using namespace std;
int n,i,j,maxi,sum;
int s[6000001],v[6000001];
pair<int,int>la;

ifstream fin("secvsummax.in");
ofstream fout("secvsummax.out");

int main()
{
    fin>>n;
    s[0]=0;
    for (i=1;i<=n;i++)
    {
        fin>>v[i];
        s[i]=s[i-1]+v[i];
    }
    for (i=1;i<=n-1;i++) for (j=i+1;j<=n;j++)
    {
        sum=s[j]-s[i-1];
        if (sum>maxi)
        {
            maxi=sum;
            la.first=i;
            la.second=j;

        }
    }
    fout<<la.first<<" "<<la.second;
}