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