L1-024 后天 java

输入样例：

3

输出样例：

5

import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int day = scanner.nextInt();
        int dayAfter2 = (day+2)%7;
        if(dayAfter2 == 0){
            dayAfter2 = 7;
        }
        System.out.print(dayAfter2);
    }
}