#include <fstream>
#define NMAX 1000005
using namespace std;

int a[NMAX];
int main()
{
    ifstream fin("elmaj.in");
    ofstream fout("elmaj.out");

    int n, cand, k, x;

    fin >> n;
    fin >> a[1]; cand = a[1]; k = 1;
    for (int i = 2; i <= n; ++i)
    {
        fin >> a[i];
        if (a[i] == cand) ++k;
        else if (k == 0)
        {
            cand = a[i];
            ++k;
        }
            else --k;
    }
    k = 0;
    for (int i = 1; i <= n; ++i)
        if (a[i] == cand) ++k;
    if (k > n/2) fout << cand << ' ' << k << '\n';
    else fout << "-1" << '\n';
    return 0;
}