#include <fstream>
using namespace std;
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
int elem,k,i,v[1000001],n;
int main()
{
    elem=-1;
    k=0;
    cin>>n;
    for(i=1; i<=n; i++)
    {
        cin>>v[i];
        if(k==0)
        {
            elem=v[i];
            k=1;
        }
        else if(v[i]==elem)
            k++;
        else
            k--;
    }
    k=0;
    for(i=1; i<=n; i++)
        if(v[i]==elem)
            k++;
    if(k>n/2)
        cout<<elem<<" "<<k;
    else
        cout<<-1;
}