#include<fstream>
#define numaru 1000001
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int v[numaru];
int main()
{
    int n,i,a=-13,b=0;
    f>>n;
    for(i=1;i<=n;++i)
    {
        f>>v[i];
        if(b==0)
        {
            a=v[i];
            b=1;
        }
        else if(a==v[i]) ++b;
        else --b;
    }
    b=0;
    for(i=1;i<=n;++i) if(v[i]==a)++b;
    if(b>n/2)g<<a<<" "<<b<<"\n";
    else g<<"-1\n";
    f.close();
    g.close();
    return 0;
}