w=input('Palavra: ')
s='A'
travou=False
for a in w:
    if a=='0':
        if s=='A':
            s='D'
        elif s=='B':
            s='C'
        elif s=='C':
            s='C'
        elif s=='D':
            s='D'
     
    elif a=='1':
        if s=='A':
            s='B'
        elif s=='B':
            s='B'
        elif s=='C':
            s='B'
        elif s=='D':
            s='D'
    else:
         travou=True
         break
if not travou and s=='C':
    print('Palavra ACEITA')
else:
    print('Palavra REJEITADA')