#include <cstdio>
int main() {
int n, cnt = 0;
scanf("%d", &n);
for (int i = 0; i < n; i ++ ) {
int x;
scanf("%d", &x);
if (x <= 20 && x >= 10) cnt ++ ;
}
printf("%d in\n%d out", cnt, n - cnt);
return 0;
}