#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int v[1000002],n,i,x,candidat,ap;
int main(){
    fin>>n>>v[1];
    x=n/2+1;
    candidat=v[1];
    ap=1;
    for(i=2;i<=n;i++){
        fin>>v[i];
        if(v[i]==candidat)
            ap++;
        else ap--;
        if(ap==0)
            candidat=v[i],ap=1;
    }
    ap=0;
    for(i=1;i<=n;i++)
        if(v[i]==candidat)ap++;
    if(ap>=x)fout<<candidat<<" "<<ap;
    else fout<<-1;
    return 0;
}