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

ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int a[nmax];
int main()
{
    int n,i,ct,maj,vot;
    fin>>n;
    for(i=1; i<=n; i++)
        fin>>a[i];
    maj=a[i];
    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;
}