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#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n, i, v[1000005], cand, nr, k;
int main()
{
fin>>n;
for(i=1; i<=n; i++)
fin>>v[i];
cand=-1;
for(i=1; i<=n; i++)
{
if(k==0)
{
k=1;
cand=v[i];
}
else if(cand==v[i])
k++;
else
k--;
}
if(k<0)
{
fout<<-1;
return 0;
}
for(i=1; i<=n; i++)
if(v[i]==cand)
nr++;
if(nr>n/2)
fout<<cand<<" "<<nr;
else
fout<<-1;
return 0;
}