/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* 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 text = "mama m ula ramu";
		String find = " mu\nl a";
		String replace = "bila";
 
		find = find.replaceAll("\\W", "");
		find = find.replaceAll("(?!^)(.)(?=.)", "\\\\s*$1");
		System.out.println(find);
 
		String result = text.replaceAll(find, replace);
		System.out.println(result);
	}
}

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