#include <iostream>
#include <fstream>
#define nmax 1000001
using namespace std;

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

int a[nmax];

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