#include <fstream>
using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");

int V[100005], n;
int main() {
    in >> n;
    for(int i=1; i<=n; i++)
        in >> V[i];
    
    int index = 0, candidat = 0, ap = 0;

    for(int i=1; i<=n; i++) {
        if(index == 0) {
            candidat = V[i];
            index = 1;
        }
        else {
            if(V[i] == candidat)
                index++;
            else
                index--;
        }
    }

    for(int i=1; i<=n; i++) {
        if(V[i] == candidat)
            ap++;
    }

    if(ap < n/2 +1)
        out << -1;
    else
        out << candidat << " " << ap;
    return 0;
}