#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int cnt,cand=1;
int v[1000001],n,i,nr;
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
        fin>>v[i];

    for(i=1;i<=n;i++)
    {
        if(cand!=v[i])
        {
            if(cnt==0)
            {
                cand=v[i];
                cnt=1;
            }

            else
                cnt--;
        }

        else
            cnt++;
    }

    for(i=1;i<=n;i++)
    {
        if(v[i]==cand)
            nr++;
    }

    if((n+1)/2<=nr)
        fout<<cand<<" "<<nr;

    else
        fout<<-1;

    return 0;
}