/* 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 = "<%1$s> %2$s";
 
String otherText = "HELLO";
String sp="<%1$s";
int index=text.indexOf(sp);
//System.out.println(index+" "+(index+sp.length()));
String newText="";
for(int i=0;i<text.length();i++){
 
	if(i==(index+sp.length()))
    	newText +=otherText;
	newText +=text.charAt(i)+"";
 
}
System.out.println(newText);
 
	}
}

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