#include <bits/stdc++.h>

using namespace std;
ifstream in ("elmaj.in");
ofstream out ("elmaj.out");
const int NMAX=1000005;
int n,cnt,maj;
int v[NMAX];
int main()
{
    in>>n;
    for(int i=1; i<=n; i++)
    {
        in>>v[i];
        if(maj!=v[i])
        {
            if(cnt==0)
                maj=v[i],cnt++;
            else
                cnt--;
        }
        else if(maj==v[i])
            cnt++;
    }
    cnt=0;
    for(int i=1; i<=n; i++)
        if(v[i]==maj)
            cnt++;
    if(cnt>=(n/2)+1)
    out<<maj<<" "<<cnt;
    else
        out<<-1;
        return 0;
}