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

=begin
두 정수를 변수로 받아 합, 차, 곱, 몫 출력
=end

print "숫자 1: "
number1 = gets.chomp.to_i
print "숫자 2: "
number2 = gets.chomp.to_i

puts "#{number1} + #{number2} = #{number1 + number2}"
puts "#{number1} - #{number2} = #{number1 - number2}"
puts "#{number1} * #{number2} = #{number1 * number2}"
puts "#{number1} / #{number2} = #{number1 / number2}"
puts "#{number1} % #{number2} = #{number1 % number2}"