#include <iostream>
#include <fstream>

using namespace std;

ifstream f("elmaj.in");
ofstream g("elmaj.out");

int ap[2000005];

int main()
{
    long long n;
    int maj=-1,cateori=0;
    f>>n;
    int v[n+1];
    for (int i=1; i<=n; i++)
    {
        f>>v[i];
        ap[v[i]]++;
        if (cateori<ap[v[i]])
        {
            cateori=ap[v[i]];
            maj=v[i];
        }
    }
    if (cateori>n/2)
        g<<maj<<" "<<cateori;
    else
        g<<"-1";

    return 0;
}