initial solution for second challenge

day01/solution2.rb

@@ -0,0 +1,16 @@
+#!/bin/env ruby
+#Find the three entries that sum to 2020; what do you get if you multiply them together?
+
+numbers = File.readlines('./input')
+numbers.map! { |s| s.to_i}
+numbers.each do |num1|
+    numbers.each do |num2|
+        numbers.each do |num3|
+            sum = num1 + num2 + num3
+            puts num1.to_s + '+' + num2.to_s + '+' + num3.to_s + '=' + sum.to_s
+            if sum == 2020
+                puts num1 * num2 * num3
+                exit
+            end
+    end
+end