public class Hello {
     public static void main(String[] args) {
         Scanner scanner = new Scanner(System.in);
         System.out.println("输入你的score");
         int score = scanner.nextInt();
         if (score>=90 && score<=100){
             System.out.println("Thank you A");
         }else if (score>=80 && score<=89){
             System.out.println("Keep going B");
         }else if (score>=70 && score<=79){
             System.out.println("needs improvement C");
         }else if (score>=60 && score>=69){
             System.out.println("got a passing mark");

         }else {
             System.out.println("you stuppid jerk \uD83D\uDE21");
         }
     }
}