dic = {'A':10,'B':11,'C':12,'D':13,'E':14,
'F':15,'G':16,'H':17,'I':34,'J':18,
'K':19,'L':20,'M':21,'N':22,'O':35,
'P':23,'Q':24,'R':25,'S':26,'T':27,
'U':28,'V':29,'W':32,'X':30,'Y':31,
'Z':33}
code = input()
res = list(str(dic[code[0]]))
res.extend(code[1:])
res = [int(res) for res in res]
num = [i for i in range(9,0,-1)]
for i in range(len(num)):
index = 10-num[i]
res[index] = res[index]*num[i]
if sum(res) % 10 == 0:
print('real')
else:
print('fake')