#include <iostream>

using namespace std;

int main()
{
    int n;
    cin >> n;

    int a = 0, b = 0;
    for(int i = 0; i < n; i++)
    {
        int x;
        cin >> x;

        if(10 <= x && x <= 20) a++;
        else b++;
    }
    cout << a << " in" << endl;
    cout << b << " out" << endl;

    return 0;
}