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