题解

#include<iostream>
#include<string.h>
char s[50];
using namespace std;
int main(){
    cin>>s;
    int l=strlen(s);
    for(int i=0;i<l;i++){
        if(s[i]>='0'&&s[i]<='9'){
            cout<<s[i];
            continue;
        }
        if(s[i]=='x'){
            cout<<"yza";
            continue;
        }
        if(s[i]=='y'){
            cout<<"zab";
            continue;
        }
        if(s[i]=='z'){
            cout<<"abc";
            continue;
        }
        cout<<char(s[i]+1)<<char(s[i]+2)<<char(s[i]+3);
    }
}