# countvowels.py
# This program iterates through a string and counts the number of
# vowels it contains.

# Extract a string from the user.
text = raw_input( "Enter a string to be evaluated: " )

# Iterate through the string.
numVowels = 0
for ch in text :
   if ch in "aeiou" :
      numVowels = numVowels + 1
      
# Print the results.
print "There are " + str( numVowels ) + " vowels in the string."