<Jafet> sed -i "2 s#.*#import random; w=[l.split() for l in open(\'/dev/stdin\').read().split(\'\\n\')]; r=[4,7,8,9,2,13,6]; print \'\\n\'.join((lambda s: \' \'.join(chr(3) + str(r[(i+s)%len(r)]) + l[i] for i in range(len(l)))(random.randrange(0, len(r))))#" $(which rainwords)

#!/usr/bin/python
import random; w=[l.split() for l in open('/dev/stdin').read().split('
')]; r=[4,7,8,9,2,13,6]; print '
'.join((lambda s: ' '.join(chr(3) + str(r[(i+s)%len(r)]) + l[i] for i in range(len(l)))(random.randrange(0, len(r))))