#include <fstream>

using namespace std;

ifstream f("elmaj.in");
ofstream g("elmaj.out");

int i, n, el, nr, cont=0, cont1=0, v[1000001];

int main()
{
    f>>n;
    for (i=1; i<=n; ++i)
    {
        f>>v[i];
        if (cont==0) el=v[i];
        else
        if (v[i]==el) cont++;
        else
        cont--;
    }

        for (i=1; i<=n; ++i) if (v[i]==el) cont1++;
        if (cont1>=n/2+1) g<<el<<" "<<cont1;
        else
        g<<"-1";
    return 0;
}