#include <fstream>
#include <vector>
#include <string.h>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");

int n, m, i, j, v[1000010], ElementMajoritar, Necuplate, nr;

int main(){
    fin>>n;
    for(i=1; i<=n; i++){
        fin>>v[i];
        if(Necuplate==0){
            ElementMajoritar=v[i];
            Necuplate++;
        }
        if(v[i]==ElementMajoritar){
            Necuplate++;
        }else{
            Necuplate--;
        }
    }
    for(i=1; i<=n; i++){
        if(v[i]==ElementMajoritar){
            nr++;
        }
    }
    if(nr>n/2){
        fout<<ElementMajoritar<<" "<<nr;
    }else{
        fout<<-1;
    }
}