It tells you what to do.
sleklskelskdlskldksldkslkdskdlkdldkdkdkdkdkslldldkdldklskdlskkdkskdldkdlkdlskdldksldkldldlldlsldkslkdkskdkdlkdkslskslddidkkdkfldkdldklfkslkfkrkdkdododoekdkldkdkdldkkdkdkkdkkdkkdkdkfldkskdldkdlskkdjlskskskdkdkdkls