#include <fstream>
#include <math.h>
#include <vector>
#include <set>
#include <algorithm>
#include <cstring>
//#include <unordered_map>
#include <iomanip>
#include <time.h>
#include <stdio.h>
#include <bitset>
#include <map>
#define MAX 500000000000
//#include <iostream>
using namespace std;
//ifstream cin("jocul.in");
//ofstream cout("jocul.out");
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
map<long long, long long> z;
int main()
{
    int n, ap = 0, num, a;
    cin >> n;
    for(int i = 0; i < n; i++)
    {
        cin >> a;
        z[a]++;
        if(z[a] > ap)
        {
            ap = z[a];
            num = a;
        }
    }
    if(ap >= n / 2 + 1)
        cout << a << " " << ap;
    else
        cout << "-1";
    return 0;
}