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Ruby / renshu.rb
@TAKAHASHI Raito TAKAHASHI Raito on 9 Jul 2022 123 bytes 2022-07-09 16:08:15
#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

print("12\n")
nenrei=gets.to_i
printf("私は%d歳です。\n",nenrei*nenrei)