# your code goes here
s=raw_input()
s=s.replace('π','π¦π¦')
s=s.replace('π¦','u')
for i in s:
if i not in "ug ":
s=s.replace(i,'')
s=s.split()
for i in s:
s[s.index(i)]=chr(len(i))
exec(''.join(s))
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCnM9cmF3X2lucHV0KCkKcz1zLnJlcGxhY2UoJ/CfkJAnLCfwn6aE8J+mhCcpCnM9cy5yZXBsYWNlKCfwn6aEJywndScpCmZvciBpIGluIHM6CglpZiBpIG5vdCBpbiAidWcgIjoKCQlzPXMucmVwbGFjZShpLCcnKQpzPXMuc3BsaXQoKQpmb3IgaSBpbiBzOgoJc1tzLmluZGV4KGkpXT1jaHIobGVuKGkpKQpleGVjKCcnLmpvaW4ocykp
8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhPCfpoTwn6aE8J+mhA==
π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦π¦