#include <fstream>

using namespace std;
long int n,v[100002],i,j,smax=0,i1,i2,d,s,gasit;
int main()
{
    ifstream f("secvsummax.in");
    ofstream g("secvsummax.out");
    f>>n;
    for(i=1;i<=n;i++)
        f>>v[i];
    for(i=1;i<=n-1;i++)
    {
        for(j=i+1;j<=n;j++)
        {   s=0;gasit=0;
            for(d=i;d<=j;d++)
                {s=s+v[d];if(v[d]>0) gasit=1;}
            if(gasit==1)
            if(s>smax) smax=s,i1=i,i2=j;
                else if(s==smax && j-i+1<i2-i1+1) i1=i,i2=j;
        }
    }
    g<<i1<<" "<<i2;
    f.close();g.close();
    return 0;
}