#!/usr/bin/env ruby
# coding: utf-8

word = Hash.new

print "名前は?: "
name = gets.chomp
print "ひとこと: "
word[name] = gets.chomp

for who, wd in word	# または word.each do |who, wd|
  printf("%sさんのひとこと「%s」\n", who, wd)
end