#include<iostream> #include<cstring> using namespace std; int main(){ char a[51]; int b; cin>>a; b=strlen(a); for(int i=0;i<b;i++){ a[i]=a[i]+3; if(a[i]>'z') a[i]=a[i]-26; else if(a[i]>'Z'&&a[i]<'a') a[i]=a[i]-26; } for(int i=b-1;i>=0;i--){ if(a[i]>='A'&&'Z'>=a[i]) a[i]=a[i]+32; else if(a[i]>='a'&&'z'>=a[i]) a[i]=a[i]-32; cout<<a[i]; } return 0; }