import java.util.Date;
import java.util.Calendar;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
 
public class Main{
 
public static void main(String ar[]){
Calendar cal  = Calendar.getInstance();
DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd");
 
cal.add(Calendar.DATE, -1);
System.out.println("Yesterday's date = "+ dateFormat.format(cal.getTime()));
cal.add(Calendar.DATE, -1);
System.out.println("day before Yesterday's date = "+ dateFormat.format(cal.getTime()));
 
}
 
}

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