#include <bits/stdc++.h>
using namespace std;

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

map<int, int> cnt;
int n;

int main()
{
    fin >> n;
    for(int i = 1; i <= n; i++)
    {
        int x;
        fin >> x;
        cnt[x] ++;
    }
    for(auto it:cnt)
        if(it.second >= n/2 + 1)
    {
        fout<<it.first <<' '<<it.second<<'\n';
        return 0;
    }
    fout << "-1\n";
}