num1 = 20
num2 = 10
num3 = 80

if num1>num2 and num1>num3:
    print(num1)
elif num2>num1 and num2>num3:
    print(num2)
else:
    print(num3)

#---------------------------------------------------------

ch = 'w'

if ch == 'a' or ch == 'e' or ch == 'i' or ch == 'o' or ch == 'u':
    print("vowel")
else:
    print("consonant")