#include <bits/stdc++.h>
using namespace std;
int n, a[100002];
ifstream fin(ssm.in);
ofstream fout(ssm.out);
int main()
{
    fin >> n;
    for(int i = 1 ; i <= n ; ++i)
        fin >> a[i];
    int s = 0 , d = 1 ,maxi = -2000000010 , sum=a[1] , p = 1;
    for(int i=2;i<=n;++i)
    {
        if(sum < 0) sum=a[i], p = i;
        else sum += a[i];
        if(sum > maxi)
        {
            maxi = sum;
            s = p;
            d = i;
        }
    }
    fout << s << " " << d;
    return 0;
}