#include <fstream>
#include <iostream>
#include <string.h>
#include <stdio.h>

using namespace std;

int main()
{
     ifstream in("elmaj.in");
     ofstream out("elmaj.out");
     bool gasit = false;

     const long long N= 1000005;
     long long v[N], n, aparitii[N], max;
     memset(aparitii, 0, sizeof(aparitii));

     in >> n;
     for (int i = 1; i <= n; i++)
     {
         in >> v[i];
     }

     int maj = (n/2)+1;
     max = v[1];

     for (int i = 1; i <= n; i++)
     {
        if (v[i] > max)
        {
            max = v[i];
        }
     }

     for (int i = 1; i <= n; i++)
     {
         aparitii[i]++;
     }

     for (int i = 1; i <= n; i++)
     {
         if (aparitii[i] == maj)
         {
            out << i << " " << aparitii[i];
            gasit = true;
            break;
         }
     }

     if (gasit == false)
     {
         out << "-1";
     }

     return 0;
}