题解 | #简单密码#

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String str = in.nextLine();
        //A:65 a:97
        for(char ch : str.toCharArray()){
            int n = (int) ch;
            if(n>= 97 && n<=122){
                if(n<=111){
                    System.out.print((n-97)/3 + 2);
                }
                else if(n<=115){
                    System.out.print(7);
                }
                else if(n<=118){
                    System.out.print(8);
                }else{
                    System.out.print(9);
                }
                continue;
            }
            if(n>=65 && n<=90){
                if(n == 90){
                    System.out.print((char)97);
                }else{
                    System.out.print((char)(n+32+1));
                }
                continue;
            }
            System.out.print(ch);
        }
    }
}