'''

-------------------------------------------------------------------------------

Name:       livehack3_problem1.py

Purpose:   to track the heating days

Author: Choi.E

 

Created:    11/12/2019

------------------------------------------------------------------------------

'''
num_of_days = int(input("Enter the number of days to track: "))
count = 0
for i in range(0, num_of_days):
    temp = int(input(""))
    if temp < 15:
        count += 1
print("There are " + str(count) + " heating days.")