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Ruby / irotsuke.rb
@KOBAYASHI Takemune KOBAYASHI Takemune on 9 Aug 154 bytes 2025-08-09 14:56:50
#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

def aka
  "\e31m%s\em\n"
end

puts"赤いものを入力してください。"
a = gets.chomp
printf(aka ,a)