/* 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 mydata = "P0Y0M0W0DT11H0M0S";
		Pattern pattern = Pattern.compile("(\\d+)H");
		Matcher matcher = pattern.matcher(mydata);
  		if (matcher.find()){
      		System.out.println(matcher.group(1));
  		}
	}
}

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