/* 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
	{
		// your code goes here
		String temp = "/ws/v3/mailboxes/@.id==VjN-xt0u7EC34WptWRuFT66xzSWyGdntv3udV0oZvPqEl6dhF2zcsreoVyJ9_IwglELd/messages/@.id==AEKnIvoQ6EUjaBWF6AbKSLSY55k";
		System.out.println(temp.substring(temp.indexOf("messages/@.id==") + "messages/@.id==".length()));
 
		String temp1 = "/ws/v3/mailboxes/@.id==VjN-u7Yr0MwmXQv7PEoNEJOk0EPDGyvKlx9LPfwb2WwBDJ2FNbtq6TMJGK_b-kwL_58IpXSQPIt7834jXjyRXCwNNg/messages/@.id==APZE_DxIM5DHZ2C3vAWhaNvFnyQ/content/raw";
		System.out.println(temp1.substring(
			        temp1.indexOf("messages/@.id==") + "messages/@.id==".length(),
			        temp1.indexOf("/", temp1.indexOf("messages/@.id==") + "messages/@.id==".length())));
	}
}

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