def get_statistics(s)
  a=[0,0,0,0]
  an=/[a-zA-Z0-9]/
  ws=/[ \t\n]/
  s.each_byte{|x|
    s=x.chr
    a[an=~s ?2:ws=~s ?1: x<127&&x>32?3:0]+=1
  }
  a
end

STDIN.each do |line|
 st = get_statistics(line)
 st = [st[0], st[2], st[3]]
 puts st.map{|x|"#{x}B"}*' / '
end