require 'socket'
TCP_PORT = 12345

def vote(sel, addr=$addr, name=$name)
  TCPSocket.open(addr, TCP_PORT){|s|
    s.puts "#{sel} #{name}"
    s.gets.chomp
  }
end

def set addr, name
  $addr = addr
  $name = name
end

if $0 == __FILE__
 $addr = 'un001.ecc.u-tokyo.ac.jp'
# for test
# $addr = 'localhost'
 $name = ENV['LOGNAME']
 puts vote(ARGV.shift || (print('selection? '); gets.chomp))
end