#include<iostream>

using namespace std;

int main()
{
    int n = 0;

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

        if(a >= 10 && a <= 20)
        {

            x ++;
        }

        else 
        {
            y ++;
        }

    }
    cout << x << " in" << endl;
    cout << y << " out" << endl;


    return 0;
}
//一次就完成