#include <iostream>

using namespace std;

int main(){

    int n;
    cin >> n;

    int x = 0, y = 0;
    for(int i = 0; i < n;i++){
        int t;
        cin >> t;
        if(t >= 10 && t <= 20)x++;
        else y++;
    }
    cout << x << " in" <<endl;
    cout << y << " out" <<endl;



    return 0;
}