require 'drb/drb'
require 'rinda/rinda'
uri = ARGV.shift || raise("usage: #{$0} <server_uri>")
DRb.start_service
ts = Rinda::TupleSpaceProxy.new(DRbObject.new(nil, uri))
(1..10).each do |n|
ts.write(['sum', DRb.uri, n])
end
(1..10).each do |n|
ans = ts.take(['ans', DRb.uri, n, nil])
p [ans[2], ans[3]]
end