9.DigitToWord_2

digit = input()
as_str = str(digit)
if digit == as_str or  digit == float(digit):
    print('not a digit')
a = int(digit)

#b = float(digit)
#print('not a digit')
#if digit == a:
if a == 1:
    print('one')
elif a == 2:
    print('two')
elif a == 3:
    print('three')
elif a == 4:
    print('four')
elif a == 5:
    print('fife')
elif a == 6:
    print('six')
elif a == 7:
    print('seven')
elif a == 8:
    print('eight')
elif a == 9:
    print('nine')
elif a == 0:
    print('zero')
else:
    #digit = str(digit)
    #digit == str(digit):
    print('not a digit')