#include <fstream>
using namespace std;
ifstream cin ("elmaj.in");
ofstream cout ("elmaj.out");
int v[1000005],f[1000005];
int main()
{
    int n,ap=0,nr;
    cin>>n;
    for (int i=0; i<n; i++)
    {
        cin>>v[i];
        f[v[i]]++;
        if (f[v[i]]>=n/2+1)
        {
            ap=f[v[i]];
            nr=v[i];
        }
    }if (ap!=0)
    cout<<nr<<" "<<ap;
    else
        cout<<-1;
    return 0;
}