#include <iostream>
#include <fstream>

using namespace std;

int main(){
    ifstream f_in("elmaj.in");
    int n;
    f_in>>n;
    int *p = &n;
    int a[*p];
    for (int i=0; i<n; i++){
        f_in >> a[i];
    }
    f_in.close();
    int L = 1, res = a[0];
    for (int i=0; i<n-1; i++){
        if (a[i] != a[i+1]) L--; else L++;
        if (L == 0) {
            res = a[i+1];
            L = 1;
        }
    }
    int k = 0;
    for (int i=0; i<n; i++){
        if (a[i] == res) k++;
    }
    ofstream f_out("elmaj.out");
    if ( k >= (n/2)+1 ) f_out<<res<<" "<<k; else f_out<<-1;
    f_out.close(); 
    return 0;
}