C++

#include<iostream>
#include<string>
#include<algorithm>
using namespace std;

int main() {
	string s = "Program Start";
	while (s != "") {
		getline(cin, s);
		for (int i = 0; i < s.size(); i++) {
			if (s[i] == 'z' || s[i] == 'Z') {
				s[i] -= 25;
			}
			else if (s[i] >= 'a'&&s[i] <= 'y') {
				s[i] += 1;
			}
			else if (s[i] >= 'A'&&s[i] <= 'Y') {
				s[i] += 1;
			}
			else {
				//什么都不做
			}
		}
		cout << s << endl;
	}
	
	return 0;
}