#include<bits/stdc++.h> using namespace std; char a[50]; int main(){ cin>>a; int n=strlen(a); for(int i=0;i<=n-1;i++){ if(a[i]=='z'){ a[i]='b'; }else if(a[i]=='y'){ a[i]='a'; }else if(a[i]=='Z'){ a[i]='B'; }else if(a[i]=='Y'){ a[i]='A'; }else{ a[i]=a[i]+3; } } for(int i=n-1;i>=0;i--){ if(a[i]+0>=65&&a[i]+0<=90){ a[i]=a[i]+32; cout<<a[i]; }else{ a[i]=a[i]-32; cout<<a[i]; } } return 0; }