#include <iostream>
#include <fstream>
#define nmax 1000005
using namespace std;

ifstream fin("elmaj.in");
ofstream fout("elmaj.out");

int v[nmax],n;
int main()
{   int i,maj,vot,ct=0;
    fin>>n;
    for(i=1;i<=n;i++) fin>>v[i];
    fin.close();
    maj=v[1]; vot=1;
    for(i=2;i<=n;i++)
        {if(v[i]==maj) vot++;
         else if(vot>0) vot--;
              else {maj=v[i]; vot=1;}
        }
    for(i=1;i<=n;i++) if(v[i]==maj) ct++;
    if(ct>=n/2+1) fout<<maj<<" "<<ct<<"\n";
    else fout<<-1<<"\n";
    fout.close();
    return 0;
}