#include <iostream>
#include <fstream>
#include <unordered_map>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
unordered_map<int, int> h;
unordered_map<int, int>::iterator it;
int n, a;
int main()
{
    f>>n;
    for(int i=0; i<n; ++i){
        f>>a;
        h[a]++;
    }
    for(it=h.begin(); it!=h.end(); ++it){
        if(it->second>=n/2){
            g<<it->first<<' '<<it->second<<'\n';
            return 0;
        }
    }
    g<<-1;
    return 0;
}