string + 输入输出

#include <iostream>
using namespace std;
int main(){
	string s;
	getline(cin,s);
	for(int i=0;i<s.size();i++){
		if(s[i]>='a' and s[i]<='y' || s[i]>='A' and s[i]<='Y'){
			s[i]+=1;
		}
		else if(s[i]=='z' || s[i]=='Z'){
			s[i]-=25;
		}
	}
	cout<<s;
	return 0;
}