//#include <iostream>
#include <fstream>
#include <vector>
#include <map>

using namespace std;
ifstream cin ("elmaj.in");
ofstream cout ("elmaj.out");

map <int,int> x;
long long n,k,a,maxi,p,i;
int main()
{
    cin>>n;
    for (i=1;i<=n;++i)
    {
        cin>>a;
        x[a]++;
        if (x[a]==1) k++;
    }

    maxi=-9999;
    for (i=1;i<=k;++i)
    {
        if (x[i]>maxi)
        {
            maxi=x[i];
            p=i;
        }

    }
    if (maxi>=n/2+1) cout<<p<<" "<<maxi;
    else cout<<"-1";
    return 0;
}