#include <bits/stdc++.h>
using namespace std;
int n, s[100002], sum, summax, st=1, drm=1, lfm=1;
ifstream in("secvsummax.in");
ofstream out("secvsummax.out");
int main()
{
    in>>n;
    for(int i=1;i<n;i++) in>>s[i];
    for(int i=1;i<=n;i++)
    {
        if(sum<0) sum=s[i], st=i;
        else sum+=s[i];
        if(sum>summax) summax=sum, lfm=st, drm=i;
    }
    out<<lfm<<" "<<drm;
    return 0;
}