#include<iostream>
using namespace std;
int main()
{
int n;
cin>>n;
int x = 0,y = 0;
while(n--)
{
int t;
cin>>t;
if(t>=10&&t<=20) x++;
else y++;
}
cout<<x<<" in"<<endl<<y<<" out"<<endl;
return 0;
}