def check_monthnumber(monthname3):
  
  if monthname3 =="April" or monthname3== "June" or monthname3== "September" or monthname3== "November":
    return True
  else:
    return False
def is_not_prime(n):
    import math
    
    result = False
    for i in range(2,int(math.sqrt(n)) + 1):
        if n % i == 0:
            result = True
    return result