[자바] 정올 124 : 선택제어문 - 형성평가5

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int mon = sc.nextInt();
        int[] arr = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
        System.out.println(arr[mon-1]);
    }
}