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- package aoj.contest1399;
- import java.io.PrintWriter;
- import java.util.Scanner;
- public class I_Score {
- static Scanner cin = new Scanner(System.in);
- static PrintWriter cout = new PrintWriter(System.out);
- static {
- }
- static final char[] RANK = "EEEEEEDCBAA".toCharArray();
- public static void main(String[] args) {
- while (cin.hasNext()) {
- int n = cin.nextInt();
- if (n < 0 || n > 100)
- cout.println("Score is error!");
- else
- cout.println(RANK[n / 10]);
- }
- cin.close();
- cout.close();
- }
- }
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