#include <bits/stdc++.h>
    using namespace std;
    int main()
    {
        int n,i,j,maxx=-INT_MAX,maxj=1,maxi=1,k,mina=INT_MAX,maxa=INT_MIN;
        scanf("%d",&n);
    int a[n+1];a[1]=0;

  //  cout << a[1] << " ";
        for (i=2;i<=n+1;i++)
        {
           scanf("%d",&k);
            a[i]=a[i-1]+k;
            if (a[i]<mina) mina=a[i];
            if (a[i]>maxa) maxa=a[i];
         //   cout << a[i] << " ";
        }
        for (i=1;i<=n+1;i++)
        {
            if (a[i]>(maxa+mina)/2) continue; else
            for (j=i;j<=n+1;j++)
            {
          //  cout << maxx << endl;
           // cout << i << " " << j << " " << a[i] << " " << a[j] << " " << (a[j]-a[i]) << " ";
            if ((a[j]-a[i])>maxx) {maxx = (a[j]-a[i]); maxj=j-1; maxi=i;}
          //  cout << maxx << endl;
            }

        }
    if (n == 1)  printf("%d %d",maxi,maxi);
    else if (maxi == maxj)  printf("%d %d",maxi,maxi);
        else     printf("%d %d",maxi,maxj);
    }