Marcus loves giving out hugs. Each day, there are people that Marcus can choose to hug or not. Person will have a cuteness value of . Marcus is a picky hugger, and only wishes to hug people with a positive cuteness value. Otherwise, if you have a non-positive cuteness value, he will only give you a head pat (which hurts). Can you determine how many people Marcus will hug by the end of the day?
The first line will contain the integer .
The next line will contain integers, , the cuteness value of person .
Output the number of people Marcus will hug.
5 -1 -5 3 2 0
Explanation For Sample
Only person and person have a positive cuteness value, so Marcus will hug only them.