#include <fstream>
#define DIM 1000005

using namespace std;

ifstream fin("elmaj.in");
ofstream fout("elmaj.out");

int N,v[DIM],nr=-1,best;

int main(){
    fin>>N;
    for(int i=1;i<=N;i++){
        fin>>v[i];
        if(nr<=0){
            best=v[i];
            nr=0;
        }
        if(best==v[i])
            nr++;
        else
            nr--;
    }
    nr=0;
    for(int i=1;i<=N;i++)
        if(v[i]==best)
            nr++;
    if(nr>=N/2+1)
        fout<<best<<" "<<nr<<"\n";
    else
        fout<<"-1\n";
    fin.close();fout.close();
    return 0;
}