def cho_han(guess,bet):
  roll=random.randint(1,6)
  roll2=random.randint(1,6)

  total=roll+roll2

  if total%2==0:
    print("Even number!")
  else:
    print("Odd number!")

  if guess=="Even" and total%2==0:
    print("You won: $" + str(bet))
    return bet
  else:
    print("You lost: $"+str(bet)
    return -bet

cho_han("Odd",15)