#include <bits/stdc++.h>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n,k,v[1000001],g,p,i,j,maxi
;
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
    {
        fin>>v[i];
        if(v[i]==maxi)
            p++;
        else
            p--;
        if(p<=0)
            maxi=v[i+1],i++;
    }
    p=0;
    for(i=1;i<=n;i++)
        if(v[i]==maxi)
            p++;
    if(p>=n/2+1)
        fout<<maxi<<" "<<p;
    else
        fout<<-1;
    return 0;
}