题解

#include<bits/stdc++.h>
using namespace std;
string s; 
int main(){
	getline(cin,s);
	for(int i=0;i<s.length();i++){
		(s[i] >= 'a' && s[i] <= 'z'?(s[i]=='z'?s[i]='a':s[i]++): s[i]);
	}
    cout<<s;
    return 0;
}