#include <fstream>
#define len 1000000
#define vmax 200000001

using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
unsigned int N, v[len], ap[vmax];
int main()
{
    f >>N;
    for(unsigned int i = 0; i < N; ++i)
    {
        f >> v[i];
        ++ap[v[i]];
    }
    for(unsigned int i = 0; i < N; ++i)
        if(ap[v[i]] > N / 2)
        {
            g << v[i] << ' ' << ap[v[i]];
            return 0;
        }
    g << -1;
    return 0;
}