#include <fstream>

using namespace std;
int n,i,v[101],c,k,nr;
int main()
{
    ifstream fin ("elmaj.in");
    ofstream fout ("elmaj.out");
    fin>>n;
    for (i=1;i<=n;i++)
        fin>>v[i];

    c=v[1];
    k=1;
    for (i=2;i<=n;i++)
        if (c==v[i]) k++;
        else if (!k) {c=v[i];k=1;}
        else k--;

    for (i=1;i<=n;i++)
        if (c==v[i]) nr++;

    if (nr>n/2) fout<<c<<" "<<nr;
    else fout<<-1;
    return 0;
}