public class easychair {

    public static void main(String[] argv) {
	if(argv.length > 1){
	    String str = new String(argv[1]);
	    if(str.length() < 40){

		// containing "/" and containing "EasyChair"
		int lastSlash = str.lastIndexOf('/');
		if(lastSlash < 0) return ;
		
		String rest = str.substring(lastSlash + 1);
		// warning: removed this because contains is not efficient at the moment
		if(! rest.contains("EasyChair")) return ;
		// (2) Check that str starts with "http://"
		if(! str.startsWith("http://")) return ;
		// (3) Take the string between "http://" and the last "/".
		// if it starts with "www." strip the "www." off
		String t = str.substring("http://".length(),lastSlash - "http://".length());
		if(t.startsWith("www."))
		    t = t.substring("www.".length());
		
		//
		//(4) Check that after stripping we have either "live.com"
		// or "google.com"
		if(!t.equals("live.com") && !t.equals("google.com"))
		    return ;
		// s survived all checks
		assert(false); //return true;
	    }
	}
    }

}
