Add train && grep
 Changes to be committed:
   (use "git reset HEAD <file>..." to unstage)

	new file:   grep/.idea/.name
	new file:   grep/.idea/Grep.iml
	new file:   grep/.idea/encodings.xml
	new file:   grep/.idea/misc.xml
	new file:   grep/.idea/modules.xml
	new file:   grep/.idea/scopes/scope_settings.xml
	new file:   grep/.idea/vcs.xml
	new file:   grep/.idea/workspace.xml
	new file:   grep/Gemfile
	new file:   grep/Gemfile.lock
	new file:   grep/grep.rb
	new file:   grep/request.rb
	new file:   grep/task.txt
	new file:   train/.idea/.name
	new file:   train/.idea/encodings.xml
	new file:   train/.idea/misc.xml
	new file:   train/.idea/modules.xml
	new file:   train/.idea/scopes/scope_settings.xml
	new file:   train/.idea/train.iml
	new file:   train/.idea/vcs.xml
	new file:   train/.idea/workspace.xml
	new file:   train/Gemfile
	new file:   train/Gemfile.lock
	new file:   train/cherry.rb
	new file:   train/image.rb
	new file:   train/task.txt