#include <fstream>
#include <algorithm>
using namespace std;
long long v[1000001];

int main()
{
    ifstream f("elmaj.in");
    ofstream g("elmaj.out");
    int i, numar, fr=0, verif=0;
    long long n;
    f>>n;
    for(i=1;i<=n;++i)
        f>>v[i];

    for(i=1;i<=n;++i)
    {
        if (fr==0) { numar=v[i]; fr=1; }
        else if (numar==v[i]) fr++;
        else fr--;

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

    if (verif>n/2) g<<numar<<' '<<verif;
        else g<<"-1";
    return 0;
}