#User enters a number (input)
#Program output if it is a positive number that is
#multiple of 13
a = int(raw_input('what\'s your # '))

if a % 13 == 0 and a > 0:
    print "Lucky multiple of 13"

sentence = raw_input('enter your string ')
count = 0


#Handout 7.
#Section 2: Q1
for letter in sentence:
    if letter == 'e' or letter == 'E':
        count += 1

print count, 'e/E' 


#Ask for a word at the keyboard.
#Construct a new string in which all vowels of the word
#are replaced with asterisks.
#For example, if a user types 'food',
#your code should print 'f**d'.

sentence = raw_input('enter your string ')
newSentence = ''

for letter in sentence:
    if letter in 'aeiou':
        newSentence += '*'
    else:
        newSentence += letter

print newSentence