#include <iostream>
#include <cstring>
#include <algorithm>
using namespace std;
int main()
{
int num, num_p,x=0, y=0;
cin >> num_p;
for (int i = 0; i < num_p; i ++ )
{
cin >> num;
if(num>=10 && num <=20)
{
x++;
}
else
{
y++;
}
}
cout << x << " in" << endl << y << " out";
}