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#include<fstream>
using namespace std;
long long a[2000001],x[2000001],MAX,NR;
int i,n;
int main ()
{
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
fin>>n;
for(i=1;i<=n;i++)
{
x[i]=0;
}
MAX=0;
NR=0;
for(i=1;i<=n;i++)
{
fin>>a[i];
x[a[i]]++;
if(x[a[i]]>MAX)
{
MAX=x[a[i]];
NR=a[i];
}
}
if(MAX>=n/2+1)
{
fout<<NR<<" "<<MAX;
}
else
{
fout<<"-1";
}
fin.close();
fout.close();
return 0;
}