enum T{T;int i,n=new int[]{47,330,623}[(int)(Math.random()*3)];{for(String s:new java.util.Scanner(System.in).useDelimiter("$").next().split("\n"))if(i++>=n%5)System.out.println(s.substring(n%13,n%24));}}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).