#include <iostream>
using namespace std;
int main() {
int num;
cin >> num;
int data, in = 0, out = 0;
while (num--) {
cin >> data;
if (data >= 10 && data <= 20) {
in++;
} else {
out++;
}
}
cout << in << " in" << endl;
cout << out << " out" << endl;
return 0;
}