import re
import time
f = open("aaaa.txt")
for line in f:
line = line.strip() #
print line
if len(line) > 6:
pass
elif not (re.match("d", line)):
pass
elif len(line) < 6:
a = len(line)
b = 6
c = b - a
d = '0' * c
e = d + line
print e
else:
print line