#include <bits/stdc++.h> using namespace std; int main(){ string a; cin>>a; for(int i=0;i<a.length();i++){ if((a[i]>='a' && a[i]<='w') || (a[i]>='A' && a[i]<='W')){ a[i]+=3; }else if((a[i]>='x' && a[i]<='z') || (a[i]>='X' && a[i]<='Z')){ a[i]-=23; } if(a[i]>='A' && a[i]<='Z'){ a[i]+=32; }else if(a[i]>='a' && a[i]<='z'){ a[i]-=32; } } for(int i=a.length()-1;i>=0;i--){ cout<<a[i]; } return 0; }

#include<bits/stdc++.h> using namespace std; int main(){ string s; cin>>s; for(int i=s.size()-1;i>=0;i--){ s[i]+=3,s[i]-=((s[i]>'z'||(s[i]>'Z'&&s[i]<'a'))?26:0); s[i]=((s[i]>='A'&&s[i]<='Z')?s[i]+32:s[i]-32); cout<<s[i]; } putchar('\n'); return 0; }