numbers_text = ["zero","one","two","three","four","five","six","seven","eight","nine","ten","eleven","twelve","teen","ty","hundred"]
def NtW(number):
  tword = ""
  count = 0
    #number = int(raw_input("Number: "))
  #if number == 0:
  #  return "zero"
  while number:
    x = 13
    remainder = number % x
    if count == 0:
      if number > 0 and number <= 12:
        tword = " " + numbers_text[remainder]
      elif number > 12 and number < 20:
        if number == 13:
          tword = " " + "thir" + numbers_text[x+count]
        elif number == 15: #elif
          tword = " " + "fif" + numbers_text[x+count]
        elif number == 18: #elif
          tword = " " + "eigh" + numbers_text[x+count] 
        else: 
          tword = " " + numbers_text[remainder+3] + numbers_text[x+count]
      elif number > 20:
        remainder = number % 10
        tword = " " + numbers_text[remainder]
        #tword = " " + numbers_text[remainder+4]
        if remainder == 0:
          tword = ""
    elif count == 1:
      if number > 1:
        if number == 2: 
          tword = " " + "twen" + numbers_text[x+count] + tword
        elif number == 3: #elif
          tword = " " + "thir" + numbers_text[x+count] + tword
        elif number == 4: #elif
          tword = " " + "for" + numbers_text[x+count] + tword
        elif number == 5: #elif
          tword = " " + "fif" + numbers_text[x+count] + tword
        elif number == 8: #elif
          tword = " " + "eigh" + numbers_text[x+count] + tword
        #else:
        #  tword = " " + numbers_text[remainder] + numbers_text[x+count] + tword
          #if remainder == 0:
          #  tword = ""
    elif count == 2:
      tword = " " + numbers_text[remainder] + " " + numbers_text[x+count] + tword
    count += 1
    number //= 10
  return tword[1:]

while 1:
  print(NtW(int(input("Numbers: "))))