# -*- coding: cp1252 -*-
#mon script python
tab = ''
chaine = 'texte'
a = 0
while a < len(chaine) :
    lettre = chaine[a]
    if voy(lettre) == 1 :
        print '*' ,
    else :
        print '_' ,
    a += 1



def voy(a) :
    if(a == 'a' or a == 'e' or a == 'i' or z == 'o' or a == 'u' or a == 'y') :
        return 1
    else :
        return 0