import java.util.Scanner;

/**
 * IF 语句
 * @Author Hateyes
 * @Date 2020-07-25 13:58
 */
public class IfDemo {

    public static void main(String[] args) {

        System.out.println("******** 考生成绩查询系统 ********");
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入考生分数：");
        int num = scanner.nextInt();
        if (num > 100){
            System.out.println("有点飘");
        } else if (num >= 90 && num <= 100){
            System.out.println("优秀");
        } else if (num >= 75 && num < 90){
            System.out.println("良好");
        } else if (num >= 60 && num < 75){
            System.out.println("合格");
        } else if (num < 60){
            System.out.println("还需努力");
        } else{
            System.out.println("未知");
        }
    }
}