#include <bits/stdc++.h>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
unsigned long n,sanse,maj,nr=0,v[1000001];
int main()
{
    fin>>n;
    for(int i=1; i<=n; i++){
        fin>>v[i];
        if(sanse==0){
            maj=v[i];
            sanse=1;
        }
        if(v[i]==maj)
            sanse++;
        else
            sanse--;

    }

    for(int i=1; i<=n; i++)
        if(v[i]==maj)
        nr++;
    if(nr>=n/2+1)
        fout<<maj<<" "<<nr;
    else
        fout<<-1;
    return 0;
}