#include<cstdio>
#include<iostream>
using namespace std;
int main()
{
int n;
cin>>n;
int m;
int i=1,a=0,b=0;
while(i<=n)
{
cin>>m;
if(m>=10&&m<=20) a++;
else b++;
i++;
}
printf("%d in\n",a);
printf("%d out\n",b);
return 0;
}