#include <iostream>
#include <fstream>
#include <map>

using namespace std;

ifstream f("elmaj.in");
ofstream g("elmaj.out");

map<unsigned int , unsigned int> fr;

int v[100000000];

int main()
{
    int n;
    bool ok = false;
    f>>n;
    for(int i = 0 ; i < n ; ++i){
        f>>v[i];
        ++fr[v[i]];
    }
    for(int i = 0 ; i < 10000000 ; ++i)
        if(fr[v[i]] >= (n / 2 + 1)){
            g<<v[i]<<' '<<fr[v[i]];
            ok = true;
            break;
        }
    if(!ok)
        g<<'-1';
    return 0;
}