#include <iostream>
#include<fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int a[1000001];
int main()
{   int n,maj,vot,i,ct;
    fin>>n;
    for(i=1;i<=n;i++)fin>>a[i];
    fin.close();
    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;
    else fout<<-1;
    fout<<"\n";
    fout.close();



    return 0;
}