Numbers from 0 to 100 to text

number = int(input())
digits = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
tens = ["ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen"]
rounds = ["twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety"]

if number >=0 and number <= 9:
  print(digits[number])
elif number >=10 and number <= 19:
  print(tens[number-10])
elif number >= 20  and number <= 99:
  if number % 10 == 0:
    print(rounds[(number//10)-2])
  else:
    print(rounds[(number//10)-2]+" "+digits[number%10])
else:
  print("one hundred")