#include<fstream>

using namespace std;


long a[4100005];

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

    long long i,n,x,max,p;

    f>>n;
    max=0;
    for (i=1;i<=n;i++)
    {
        f>>x;
        if (x>max)
            max=x;
        a[x]++;
    }
    p=-1;
    for (i=0;i<=max;i++)
        if (a[i]>=n/2+1)
            p=i;
        if (i!=-1) g<<p<<" "<<a[p];
        else g<<"-1/n";

return 0;
}