states = ('q0', 'q1', 'q2')
start = 'q0'
accept = ('q0','q0')

s = input()

# start with the start state, use the transition function...
currentState = start
for currentLetter in s:
    # transition function in here, can only use current input symbol and
    #  current state

    # big 'ol if/elseif
    if currentState == 'q0' and currentLetter == 'a':
        currentState = ??
    elif currentState == 'q0' and currentLetter == 'b':
        currentState = ??

    elif currentState == 'q1' and currentLetter == 'a':
        currentState = ??
    elif currentState == 'q1' and currentLetter == 'b':
        currentState = ??
        
    elif currentState == 'q2' and currentLetter == 'a':
        currentState = ??
    elif currentState == 'q2' and currentLetter == 'b':
        currentState = ??

    else: print('THIS SHOULD NOT HAPPEN')

# do we accept or not
doIAccept = False
for x in accept:
    if currentState == x:
        doIAccept = True
        break

# or do this
doIAccept = currentState in accept


if doIAccept: print("accept"); print("yes, accept")
else: print("reject")