#include <iostream>
#include <fstream>
using namespace std;
int v[1000005];
int main()
{
    ifstream cin("elmaj.in");
    ofstream cout("elmaj.out");
    int n;
    cin>>n;
    for(int i=1; i<=n; i++)
        cin>>v[i];
    int el=v[1],ap=1;
    for(int i=2; i<=n; i++)
    {
        if(v[i]==el)
            ap++;
        else
            ap--;
        if(ap<=0)
        {
            el=v[i];
            ap=1;
        }
    }
    int k=0;
    for(int i=1; i<=n; i++)
        if(v[i]==el)
            k++;
    if(k>=n/2+1)
        cout<<el<<" "<<k;
    else
        cout<<-1;
    return 0;
}