import java.util.Scanner;

public class txt_msg_expander {

	public static String replaceText(String input,
										String replaceThis,
										String withThis) {
		System.out.println("Replaced \"" +replaceThis + "\" with \"" +
			   	withThis + "\"");
			return input.replace(replaceThis, withThis);
	}

	public static void main(String[] args) {
		Scanner scnr = new Scanner(System.in);

		System.out.println("Enter text:");
		String usr_input = scnr.nextLine();
		System.out.println("You entered: " + usr_input+"\n");

		if (usr_input.contains("BFF")){
		usr_input =	replaceText(usr_input, "BFF", "best friend forever");
		}

		if (usr_input.contains("IDK")){
		usr_input =	replaceText(usr_input, "IDK", "I don't know");
		}

		if (usr_input.contains("JK")){
		usr_input =	replaceText(usr_input, "JK", "just kidding");
		}

		if (usr_input.contains("TMI")){
		usr_input =	replaceText(usr_input, "TMI", "too much information");
		}

		if (usr_input.contains("TTYL")){
		usr_input =	replaceText(usr_input, "TTYL", "talk to you later");
		}

		System.out.println("\nExpanded: " + usr_input);

		scnr.close();
		}
}