public class ShortenMessage {

	public static String shortenMessage(String message, String str) {
		int start = message.indexOf(str);
		while (start >=0) {
            message = message.substring(0,start) +
                      message.substring(start+str.length());
			start = message.indexOf(str);
		} 
		return message;
	}

	public static void main(String[] args) {
		System.out.println(shortenMessage(
				"the_driver_of_the_first_car_is_Jerry",
				"the_"));
	}

}