/* 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
	{
		Date data = new Date(2015, 06 /* Mês */, 01/* Dia */);
		Calendar cal = new GregorianCalendar();
		cal.setTime(data);
		int semana = cal.get(Calendar.WEEK_OF_YEAR);
		System.out.println(semana);
	}
}