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#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n, x=-1, f, nr, v[2000002];
int main()
{
fin>>n;
for(int i=1;i<=n;i++)
{
fin>>v[i];
if(v[i]==x) f++;
else
{
if(f==0)
{
x=v[i];
f=1;
}
else f--;
}
}
f=0;
for(int i=1;i<=n;i++)
{
if(v[i]==x) f++;
}
if(f>n/2)
fout<<x<<' '<<f;
else
fout<<"-1";
return 0;
}