#include <bits/stdc++.h>

using namespace std;
const int c=150005;
long long n, t[c], pref[c], el[c], kov[c], kezd, veg;
bool test=0;
bool solve(int ert) {
    //cout << "solve " << ert << "\n";
    deque<int> q;
    for (int i=1; i<=ert; i++) {
        while (q.size()>0 && t[i]>=t[q.front()]) {
            q.pop_front();
        }
        q.push_front(i);
    }
    if (pref[kov[ert]]<=2*t[q.back()]) {
        kezd=1, veg=kov[ert];
        return true;
    }
    for (int i=ert+1; i<=n; i++) {
        while (q.size()>0 && t[i]>=t[q.front()]) {
            q.pop_front();
        }
        q.push_front(i);
        if (q.back()==i-ert) {
            q.pop_back();
        }
        /*if (ert==3 && i==6) {
            cout << "... " << kov[i] << " " << el[i-ert+1] << "\n";
            cout << pref[kov[i]] << " " <<  pref[el[i-ert+1]] << "\n";
            cout << "... " << q.back() << " " << t[q.back()] << "\n";
        }*/
        if (pref[kov[i]]-pref[el[i-ert+1]]<=2*t[q.back()]) {
            if (ert==3) {
                //cout << "....\n";
            }
            kezd=el[i-ert+1]+1, veg=kov[i];
            return true;
        }
    }
    return false;
}
void trivi() {
    for (int i=1; i<=n; i++) {
        cout << t[i] << " ";
    }
    cout << "\n";
    for (int len=n-1; len>=0; len--) {
        for (int kezd=1; kezd+len<=n; kezd++) {
            veg=kezd+len;
            long long sum=0, maxi=-1e9;
            for (int i=kezd; i<=veg; i++) {
                sum+=t[i];
                maxi=max(maxi, t[i]);
            }
            if (2*maxi>=sum) {
                cout << kezd << " " << veg << "\n";
                return;
            }
        }
    }
}
int main()
{
    ios_base::sync_with_stdio(false);
    srand(time(0));
    if (!test) cin >> n;
    else n=400;
    for (int i=1; i<=n; i++) {
        if (!test) cin >> t[i];
        else t[i]=rand()-10000;
        pref[i]=pref[i-1]+t[i];
        el[i]=i-1, kov[i]=i;
    }
    if (test) trivi();
    for (int i=2; i<=n; i++) {
        if (pref[el[i-1]]>=pref[el[i]]) {
            el[i]=el[i-1];
        }
    }
    for (int i=n-1; i>=1; i--) {
        if (pref[kov[i+1]]<=pref[kov[i]]) {
            kov[i]=kov[i+1];
        }
    }
    /*for (int i=1; i<=n; i++) {
        cout << i << " " << el[i] << " " << kov[i] << "\n";
    }*/
    int lo=0, hi=n+1, mid;
    while (hi-lo>1) {
        mid=(hi+lo)/2;
        if (solve(mid)) {
            lo=mid;
        } else {
            hi=mid;
        }
    }
    cout << kezd << " " << veg << "\n";
    return 0;
}
/*
50
5938 21824 22507 24343 2806 13920 3454 2242 12043 26140 11415 6607 17693 2945 15328 19152 32196 17874 2651 26705 1706 4642 20132 1294 17391 12065
19319 7267 14540 29495 7537 14595 25463 18639 5659 29677 4167 17654 18468 24476 26649 3108 10478 13182 15858 31065 27469 19368 24550 15212
*/