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#include <fstream>
using namespace std;
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
int v[1000000];
int main()
{
    int n,elmaj=-1,cnt=0;
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>v[i];
    }
    elmaj=v[1];
    for(int i=1;i<=n;i++)
    {

        if(cnt==0)
        {
            elmaj=v[i];
            cnt=1;
        }
        else if(v[i]==elmaj)
        {
            cnt++;
        }
        else
        {
            cnt--;
        }

    }
    cnt=0;
    for(int i=1;i<=n;i++)
    {
        if(v[i]==elmaj)
        {
          cnt++;
        }
    }
    if(cnt>n/2)
    {
        cout<<elmaj<<" "<<cnt;
    }
    else
    {
        cout<<-1;
    }

    return 0;
}