public static void main(String[] args) {
		Console console = System.console();
		
		while(true) {
			String command = console.readLine("> ");
			
			String[] commandParts = command.split(" ");
			
			if(commandParts.length == 1) {	// Reading
				doReading(commandParts[0]);
			} else {
				if(commandParts[1].equals("->")) { // Posting
					doPosting(commandParts);
				} else if(commandParts[1].equalsIgnoreCase("follows")) { // Following
					doFollowing(commandParts);
				} else if(commandParts[1].equalsIgnoreCase("wall")) { // Wall
					doWall(commandParts[0]);
				}
			}
		}
	}