a = input()
a1 = a.split(',')
for i in a1:
st = [0, 0, 0]
i1 = False
i2 = True
if 6 <= len(i) <= 12:
for j in i:
if int(ord('a')) < int(ord(j)) < int(ord('z')):
st[0] = 1
elif int(ord('A')) < int(ord(j)) < int(ord('Z')):
st[1] = 1
elif int(ord('0')) < int(ord(j)) < int(ord('9')):
st[2] = 1
elif j in '!@#$':
i1 = True
else:
i2 = False
if sum(st) > 1 and i1 and i2:
print(i)
