纯模拟

#include<bits/stdc++.h>
using namespace std;
int main(){
    string s; getline(cin,s);
    for(int i = 0;i < s.size();i++){
        if(s[i] == 'A') cout << "V";
        else if(s[i] == 'B') cout << "W";
        else if(s[i] == 'C') cout << "X";
        else if(s[i] == 'D') cout << "Y";
        else if(s[i] == 'E') cout << "Z";
        else if(s[i] >= 'F' && s[i] <= 'Z') cout << (char)(s[i] - 5);
        else cout << s[i];
    }
    return 0;
}