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# include <fstream>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int i,j,n,m,VV,maj,apmaj;
int a[1000005];
int main ()
{
f>>n;
for (i=1; i<=n; ++i)
{
f>>a[i];
if (a[i]==maj) ++apmaj;
else {
if (apmaj==0) apmaj=1, maj=a[i];
else --apmaj;
}
}
for (i=1; i<=n; ++i)
if (a[i]==maj) ++VV;
if (VV>=(n+1)/2) g<<maj<<" "<<VV<<"\n";
else g<<"-1\n";
return 0;
}