#include <fstream>
#include <map>
using namespace std;
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
int n,x;
map <int,int> m;
pair <int,int> maxim;
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>x;
        m[x]++;
        if(maxim.second<m[x])
        {
            maxim.second=m[x];
            maxim.first=x;
        }
    }
    maxim.second>=n/2+1?(cout<<maxim.first<<" "<<maxim.second):cout<<-1;
    return 0;
}