# automaton by transition table
# alphabet: {a,b,c}

tbl = [None,
       [2, 1, 1],  # state = 1
       [1, 3, 1],  # state = 2
        'accept'   # state = 3
      ]

text = raw_input('enter text: ')
state = 1
for c in text:
    x = ord(c) - ord('a')
    state = tbl[state][x]
    if tbl[state] == 'accept':
        print 'match'
        break