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#include <fstream>
#define nmax 1000002
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int v[nmax];
int main()
{
int n,el=-1,k=0;
fin>>n;
for(int i=1;i<=n;i++)
{
fin>>v[i];
}
for(int i=1;i<=n;i++)
{
if(k==0)
{
el=v[i];
k=1;
}
else
if(el==v[i])
k++;
else
k--;
}
int nr=0;
for(int i=1;i<=n;i++)
if(v[i]==el)
nr++;
if(nr>n/2)
fout<<el<<" "<<nr;
else
fout<<-1;
return 0;
}