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Ruby / omake2.rb
@SATO Mitsuki SATO Mitsuki on 9 Aug 197 bytes 2025-08-09 15:06:09
#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

def keisan(x)
  a = x*5
  b = x*2
  c = a - b
end
puts "xの数値を入れてください。計算します。"
x = gets.to_i
printf("%d\n", keisan(x))