package p1;
import java.util.Scanner;
/**
auther:xiuran-hua
function:输入一个分数,显示相对应的等级
*/
public class A{
public static void main(String args[]){
System.out.println("请输入一个分数");
Scanner s = new Scanner(System.in);
Double score = s.nextDouble();
if(score >= 60 && score<=70){
System.out.println(" 还凑活");
}else if(score > 70&& score <90){
System.out.println("良好");
}else if(score>=90&& score<=100){
System.out.println("优秀啊");
}else if(score>100){
System.out.println("输入有误,请重新输入");
}else{
System.out.println("不及格,好好学习吧");
}
}
}