// Program 73: Project Submission Date with Sunday Extension

import java.time.*;
import java.time.format.*;
import java.util.*;
class ProjectDueDate {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String raw = sc.nextLine().trim();
        String dayName = sc.nextLine().trim();
        try {
            LocalDate given = LocalDate.parse(raw, DateTimeFormatter.ofPattern("dd/MM/uuuu"));
            if (!given.getDayOfWeek().getDisplayName(java.time.format.TextStyle.FULL, Locale.ENGLISH).equalsIgnoreCase(dayName)) {
                System.out.println("INVALID DAY NAME");
                return;
            }
        LocalDate due = given.plusDays(89);
        if (due.getDayOfWeek() == DayOfWeek.SUNDAY) {
            due = due.plusDays(1);
        }
    System.out.println(due.format(DateTimeFormatter.ofPattern("dd/MM/uuuu")));
    System.out.println(due.getDayOfWeek().getDisplayName(java.time.format.TextStyle.FULL, Locale.ENGLISH));
}
catch (DateTimeParseException ex) {
    System.out.println("INVALID DATE");
}
}
}