#include <fstream>
using namespace std;
ifstream fin ("elmaj.in");
ofstream fout("elmaj.out");
int v[1000002];

int main()
{
    int i,cand,k=0,n;
    fin>>n;
    for (i=1;i<=n;++i)
    {
        fin>>v[i];
        if (k==0)
        {
            k=1;
            cand=v[i];
        }
        else
            if (v[i]==cand)
            ++k;
        else    --k;
    }
    k=0;
    for (i=1;i<=n;i++)
        if (cand==v[i])
            ++k;
    if (k>n/2)
        fout<<cand<<' ' <<k;
    else    fout<<-1;
    return 0;
}