#include<bits/stdc++.h> using namespace std; char a[50]; int main(){ cin>>a;6 int n=strlen(a); for(int i=0;i<=n-1;i++){ 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; }