# Problem Statement: Write a program to input month number and print number of days in that month.

# Example:
# Input:
# Enter month number: 1

# Output:
# It contains 31 days.

# Month Equivalent Number: January = '1', February = '2', March = '3', April = '4', May = '5', June = '6', July = '7', 
# August = '8', September = '9', October = '10', November = '11', December = '12' 

# January, March, May, July, August, October, December have	31 days
# February has 28/29 days
# April, June, September, November have 30 days


month = int(input("Enter month number: "))

if month >= 1 and month