#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int main()
{
    long long n,v[1000000],k,x;
    fin>>n;
    for(int i=1;i<=n;i++)
    {
        fin>>v[i];
        if(i==1){x=v[i]; k=1;}
        else
        {
            if(x==v[i])k++;
            else k--;
            if(k==0)
            {
                x=v[i];
                k=1;
            }
        }
    }
    k=0;
    for(int i=1;i<=n;i++)
       if(v[i]==x)k++;
    if(k>n/2)fout<<x<<' '<<k;
    else fout<<-1;
    return 0;
}