#include <cstdio>
using namespace std;
int v[100001],n,i,s,d,dr,st,smax,st1;
int main()
{
    freopen("ssm.in", "r", stdin);
    freopen("ssm.out", "w", stdout);
    scanf("%d", &n);
    for(i=1;i<=n;i++)
        scanf("%d", &v[i]);
    s=v[1];
    smax=v[1];
    st=1;
    d=1;
    for(i=2;i<=n;i++)
    {
        if(s+v[i]>=v[i])
            s+=v[i];
        else
        {
            s=v[i];
            st=i;
        }

        if(s>smax)
        {
            smax=s;
            st1=st;
            dr=i;
        }

    }
    printf("%d %d", st1, dr);
    return 0;
}