/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String str = "plan plans lander planitia";
    	System.out.println(str.replaceAll("(\\w*)lan(\\w+)", "$1<--->$2"));
	}
}