#include <fstream>
#include <iostream>

using namespace std;

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

int n, k, elem_maj, v[1000001];

int main()
{
    fin >> n;
    for(int i = 1; i <= n; i++)
    {
        fin >> v[i];
        if(k > 0)
        {
            if(v[i] == elem_maj)
                ++k;
            else
                --k;
        }
        else
        {
            k = 1;
            elem_maj = v[i];
        }
    }

    k = 0;
    for(int i = 1; i <= n; i++)
        if(v[i] == elem_maj)
            k++;

    if(k >= n/2+1)
        fout << elem_maj << ' ' << k;
    else
        fout << -1;

    return 0;
}