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#include <fstream>
using namespace std;
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
int v[10000];
int main()
{
int n, i, el, ap;
cin>>n;
for(i=0; i<n; i++)
cin>>v[i];
el=-1;
ap=0;
for(i=0; i<n; i++)
{
if(ap==0)
{
el=v[i];
ap=1;
}
else
if(v[i]==el)
{
ap++;
}
else{
ap--;
}
}
ap=0;
for(i=0; i<n; i++)
if(v[i]==el)
ap++;
if(ap<=n/2)
{el=-1;
cout<<el;
}
else
cout<<el<<' '<<ap;
return 0;
}