题解 | #简单密码#

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner fzhinput = new Scanner(System.in);
        String zfcmm = fzhinput.nextLine();
        StringBuilder stack = new StringBuilder();
        for(int i=0;i<zfcmm.length();i++){
            char z = zfcmm.charAt(i);
            if(z=='a'||z=='b'||z=='c'){
                z='2';
            }
            else if(z=='d'||z=='e'||z=='f'){
                z='3';
            }
            else if(z=='g'||z=='h'||z=='i'){
                z='4';
            }
            else if(z=='j'||z=='k'||z=='l'){
                z='5';
            }
            else if(z=='m'||z=='n'||z=='o'){
                z='6';
            }
            else if(z=='p'||z=='q'||z=='r'||z=='s'){
                z='7';
            }
            else if(z=='t'||z=='u'||z=='v'){
                z='8';
            }
            else if(z=='w'||z=='x'||z=='y'||z=='z'){
                z='9';
            }
            else if(z<'Z' && z>='A'){
                z=(char)(Character.toLowerCase(z)+1);
                
            }
            else if(z=='Z'){
                z='a';     
            }
            stack.append(z);
        }
        System.out.println(stack.toString());
        
    }
}