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#include <fstream>
using namespace std;
int main()
{
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int cand=-1,c=0,n,a[500001],i,b=0;
f>>n;
for(i=1;i<=n;i++)
{
f>>a[i];
if(c==0)
{
cand=a[i];
c=1;
}
else
{
if(a[i]==cand)
{
c++;
}
else
{
c--;
}
}
}
for(i=1;i<=n;i++)
{
if(a[i]==cand)
{
b++;
}
}
if(b>n/2)
{
g<<cand<<" "<<b;
}
else
{
g<<-1;
}
f.close();
g.close();
return 0;
}