UNIDADES = (
   '',
   'UN ',
   'DOS ',
   'TRES ',
   'CUATRO ',
   'CINCO ',
   'SEIS ',
   'SIETE ',
   'OCHO ',
   'NUEVE ',
   'DIEZ ',
   'ONCE ',
   'DOCE ',
   'TRECE ',
   'CATORCE ',
   'QUINCE ',
   'DIECISEIS ',
   'DIECISIETE ',
   'DIECIOCHO ',
   'DIECINUEVE ',
   'VEINTE '
)
DECENAS = (
   'VENTI',
   'TREINTA ',
   'CUARENTA ',
   'CINCUENTA ',
   'SESENTA ',
   'SETENTA ',
   'OCHENTA ',
   'NOVENTA ',
   'CIEN '
)
CENTENAS = (
   'CIENTO ',
   'DOSCIENTOS ',
   'TRESCIENTOS ',
   'CUATROCIENTOS ',
   'QUINIENTOS ',
   'SEISCIENTOS ',
   'SETECIENTOS ',
   'OCHOCIENTOS ',
   'NOVECIENTOS '
)
 
def toWord(number_in, pesos=True):
 
   """
   Converts a number into string representation
   """
   converted = ''
 
   if type(number_in)  'str':
       number = str(number_in)
   else:
       number = number_in
 
   number = number.replace(",","")
   try:
       number_int, number_dec = number.split(".")
   except ValueError:
       number_int = number
       number_dec = ""
 
   if not (0 < __convertStr(number_int)  0):
           converted += '%sMILLONES ' % __convertNumber(millones)
 
   if(miles):
       if(miles == '001'):
           converted += 'MIL '
       elif(int(miles) > 0):
           converted += '%sMIL ' % __convertNumber(miles)
 
   if(cientos):
       if(cientos == '001'):
           converted += 'UN'
       elif(int(cientos) > 0):
           converted += '%s' % __convertNumber(cientos)
 
   if pesos:
       if number_dec == "":
           number_dec = "00"
       converted += 'PESOS ' + number_dec + "/100 M.N."
   else:
       if number_dec  "":
           converted +=  'PUNTO ' + toWord(number_dec,False)
 
   return converted.title()
 
def __convertNumber(n):
   """
   Max length must be 3 digits
   """
   output = ''
 
   if(n == '100'):
       output = "CIEN "
   elif(n[0] != '0'):
       output = CENTENAS[int(n[0])-1]
 
   k = int(n[1:])
   if(k  30) & (n[2] != '0')):
           output += '%sY %s' % (DECENAS[int(n[1])-2], UNIDADES[int(n[2])])
       else:
           output += '%s%s' % (DECENAS[int(n[1])-2], UNIDADES[int(n[2])])
 
   return output
 
def __convertStr(s):
   """Convert string to either int or float."""
   try:
       ret = int(s)
   except ValueError:
       #Try float.
       ret = float(s)
   return ret