// This program reads a string, removes all its heading and
// trailing spaces, and replaces every block of consecutive
// spaces with a single space.

// Add import statement(s) below
import ...

public class PrettyPrinter {

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

		System.out.println("Enter a line below:");
		String line = sc.nextLine();
		String newline;


		System.out.println("Pretty-printed line:");
		System.out.println("|" + newLine + "|");
	}
}