```cpp

include[HTML_REMOVED]

using namespace std;
int main(){
int x,i,n,a=0,b=0;
cin>>n;
for(i=1;i<=n;i++){
cin>>x;
if(x>=10&&x<=20)
a+=1;
else
b+=1;
}
cout<<a<<” in”<<endl;
cout<<b<<” out”<<endl;
return 0;
}