#include <iostream>
#include <fstream>

using namespace std;

fstream in("elmaj.in", ios::in);
fstream out("elmaj.out", ios::out);

int n,a[1000];

int suma(long);

int main()
{
	long nr,maxim=0,maximi=0,x;

	in>>n;

	while(in>> nr)
	{
		x= suma(nr);
		a[x]++;
		if(a[x] > maximi)
		{
			maximi= a[x];
			maxim= nr;
		}
	}

	if(maximi > n/2)
		out<< maxim<< " "<< maximi;
	else
		out<< -1;
	


        
    in.close();
    out.close();

	return 0;
}

int suma(long nr)
{
	int suma=0,k=1;
	while(nr)
	{
		suma+= (nr% 10)* k *k;
		nr/= 10;
		k++;
	}
	return suma;
}