#include <fstream>
#include <map>
using namespace std;
map<long long,long long> x;
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
int n,aux,i;
int main()
{
    cin>>n;
    for(i=1;i<=n;i++){
        cin>>aux;
        x[aux]++;
    }
    for(map<long long,long long>::iterator it=x.begin();it!=x.end();++it)
        if(it->second>=n/2+1){
            cout<<it->first<<' '<<it->second;
            return 0;
        }
    cout<<-1;
    return 0;
}