黑色星期五

import java.time.LocalDate;
import java.util.Scanner;
public class 黑色星期五 {
  public static void main(String[] args) {
    Scanner scanner=new Scanner(System.in);
    int year=scanner.nextInt();
    LocalDate date=LocalDate.of(year, 1, 2);
    //System.out.println(date.getDayOfWeek());
    while (date.getYear()==year) {
      if (date.getDayOfMonth()==13&&(date.getDayOfWeek()+"").equals("FRIDAY")) {
        System.out.println(date);
      }
      date=date.plusDays(1);
    }
  }
}