#include <bits/stdc++.h>
    using namespace std;
    int main()
    {
        int n,i,j,maxx=-INT_MAX,maxj=1,maxi=1,k;
        cin >> n;
    int a[n+1];a[1]=0;

  //  cout << a[1] << " ";
        for (i=2;i<=n+1;i++)
        {
            cin >> k;
            a[i]=a[i-1]+k;
         //   cout << a[i] << " ";
        }
        cout << endl;
        for (i=1;i<=n+1;i++)
        {
            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) cout << maxi << " " << maxi;
    else if (maxi == maxj) cout << maxi << " " << maxi;
        else cout << maxi << " " << maxj;
    }