TJ

#include <iostream>
#include <cstring>
#include <algorithm>
#include <string>
using namespace std;
string s,a;
void jiami(string s){
for(int i = 0;i < s.size();i++){
if(s[i] >= 'a' && s[i] < 'x' || s[i] >= 'A' && s[i] < 'X'){
s[i] += 3;
}else{
s[i] -= 23;
}
}
for(int i = s.size()-1;i >= 0;i--){
a+=s[i];
}
for(int i = 0;i < a.size();i++){
if(a[i] >= 'a' && a[i] <= 'z'){
a[i] -= 32;
}else if(a[i] >= 'A' && a[i] <= 'Z'){
a[i] += 32;
}
}
cout << a;
}

int main(){
getline(cin,s);
jiami(s);
return 0;
}