#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
long long a[1000001];
int main()
{
    int n,i,x,y=0,s=0;
    ifstream fin("elmaj.in");
    ofstream fout("elmaj.out");
    fin>>n;
    for (i=1;i<=n;i++) fin>>a[i];
    x=a[1];
    for (i=2;i<=n;i++)
    {
        if (a[i]==x)y++;
        else y--;
        if (y==0) x=a[i];
    }
    for (i=1;i<=n;i++)
    {
        if (a[i]==x) s++;
    }
    if (s>=(n/2)+1) fout<<x<<" "<<s;
    else fout<<"-1";
    return 0;
}