H. 练23.3  晶晶赴约会

    Type: Default 1000ms 128MiB

练23.3  晶晶赴约会

You cannot submit for this problem because the contest is ended. You can click "Open in Problem Set" to view this problem in normal mode.

Description

Jingjing's friend Beibei invited Jingjing to visit an exhibition next week, but Jingjing must attend classes on Mondays, Wednesdays, and Fridays (days 1, 3, and 5). Help Jingjing determine if she can accept Beibei's invitation. If she can, output "YES"; if not, output "NO".

Input Format

A single line containing the day of the week when Beibei invited Jingjing to the exhibition, represented by a number from 1 to 7 (Monday to Sunday).

Output Format

A single line: if Jingjing can accept the invitation, output "YES"; otherwise, output "NO".

Sample

2
YES

20251213 A班作业(10)

Not Claimed
Status
Done
Problem
10
Open Since
2025-12-13 0:00
Deadline
2025-12-21 23:59
Extension
24 hour(s)