# include <fstream>
# include <algorithm>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int v[1000001],n,i,nr,maxim,e;
int main () {
    fin>>n;
    for(i=1;i<=n;i++)
        fin>>v[i];
    sort(v+1,v+n+1);
    nr=1;
    maxim=1;
    for(i=2;i<=n;i++){
        if(v[i]==v[i-1])
            nr++;
        else
            nr=1;
        if(nr>maxim){
            maxim=nr;
            e=v[i];
        }
    }
    if(maxim>=n/2+1)
        fout<<e<<" "<<maxim;
    else
        fout<<-1;
    return 0;
}