#include <fstream>
#include <unordered_map>

using namespace std;

ifstream fin("elmaj.in");
ofstream fout("elmaj.out");

int n, x;
unordered_map<int, int> f;

int main()
{
    fin>>n;
    for(int i=1; i<=n; i++){
        fin>>x;
        f[x]++;
    }

    for(auto elem: f){
        if(elem.second>n/2){
            fout<<elem.first<<" "<<elem.second;
            return 0;
        }
    }
    fout<<-1;
    return 0;
}