Probably should commit or something...

Gemfile

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+source "https://rubygems.org"
+
+gem "minitest"

Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    minitest (5.8.3)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  minitest
+
+BUNDLED WITH
+   1.10.6

day_04.rb

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+require "digest/md5"
+
+key = "ckczppom"
+index = 1
+# until Digest::MD5.hexdigest("#{key}#{index}").start_with?("00000")
+until Digest::MD5.hexdigest("#{key}#{index}").start_with?("000000")
+  index += 1
+end
+puts index