package com.nodota;
import java.util.Scanner;
public class Score {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner in = new Scanner(System.in);
System.out.println("请输入考试成绩: ");
int score = in.nextInt();
while(score<=100&&score>=90){
System.out.println("A");
//in.nextInt();
break;
}
while(score<=89&&score>=80){
System.out.println("B");
//continue;
break;
}
while(score<=79&&score>=70){
System.out.println("C");
//continue;
break;
}
while(score<=69&&score>=60){
System.out.println("D");
//continue;
break;
}
while(score<=59&&score>=0){
System.out.println("E");
//continue;
break;
}
while(score<0&&score>100){
System.out.println("输入有误，请重新输入");
//continue;
break;
}