poj1298 无语。。。

import java.io.BufferedInputStream;
import java.util.Scanner;

/**
* 被题目吓到了。。。
* poj1298
* @author NC
*/
public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(new BufferedInputStream(System.in));
        while (scan.hasNext()) {
            String sss = scan.nextLine().trim();
            if (sss.equals("ENDOFINPUT")) {
                break;
            }
            if (sss.equals("START")) {
                String code = scan.nextLine().trim();
                String end = scan.nextLine().trim();
                char[] cs = code.toCharArray();
                //用foreach循环时，只能读，不能改
                for(int i=0;i<cs.length;i++){
                    if(cs[i]>='A'&&cs[i]<='Z'){
                        int cc = cs[i]-'A';
                        cs[i] = (char)((cc+26-5)%26+'A');
                    }
                }
                System.out.println(cs);//toString的话，不是输出字符串
            }
            if (sss.equals("END")) {
                continue;
            }
        }
    }
}