#include <iostream>
#include <fstream>

using namespace std;

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

int v[1000001];

int main()
{
    int n,nr_ap = 1,cand,mx = 0;
    f >> n;
    f >> v[1];
    cand = v[1];
    for(int i = 2; i <= n; i++){
        f >> v[i];
        if(v[i] == cand)
            nr_ap++;
        else
            nr_ap--;
        if(nr_ap == 0){
            cand = v[i];
            nr_ap = 1;
        }
    }
    for(int i = 1; i <= n; i++){
        if(v[i] == cand)
            mx++;
    }
    if(mx > n / 2)
        g << cand << " " << mx;
    else
        g << -1;
    return 0;
}