#include <fstream>
#define nmax 1000000000000005
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
unsigned long long n,maxim,i,j,c,nr,ok;
int a[1000001];
int main()
{

    f>>n;
    for(i=1;i<=n;i++)
    f>>a[i];
    c=1; ok=0;
    for(i=1;i<=n;i++)
      {
        nr=0;
        for(j=1;j<=n;j++)
        if(a[i]==a[j])nr++;
        if(nr>=(n/2+1)){g<<a[i]<<" "<<nr;ok=1;break;}
      }
      if(ok==0)g<<"-1";
    return 0;
}