/* 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 sentence = "this is my sentence \"   course of math\" of this year"; 
		String[] MyStrings = sentence.split("\"");
		String res = MyStrings.length == 1 ? MyStrings[0] :
			MyStrings[1].trim().indexOf(" ") > -1 ? 
			  MyStrings[1].trim().substring(0, MyStrings[1].trim().indexOf(" ")):
			  MyStrings[1];
	    System.out.println(res);
	}
}

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