#include <iostream>
#include <fstream>
#include <algorithm>
#include <vector>

using namespace std;

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

#define nmax 1000005

unsigned int v[nmax],Task,nr=0,nrf=0,x;

int main()
{
    fin>>n;
    for(int i=1;i<=n;i++)
    {
        fin>>v[i];
        if(!nr)
        {
            nr++;
            Task=v[i];
        }
        else
        {
            if(Task!=v[i])
                nr--;
            else
                nr++;
        }
    }
    for(int i=1;i<=n;i++)
    {
        if(Task==v[i])
            nrf++;
    }
    if(nrf>n/2)
        fout<<Task<<" "<<nrf<<'\n';
    else
        fout<<-1<<'\n';
}