#include<bits/stdc++.h> using namespace std; string s,s1=" ",s2; int main() { cin>>s; int len=s.size(); for(int i=0;i<=len-1;i++){ if(s[i]>='A'&&s[i]<='Z'){ s[i]=s[i]+32; }else{ s[i]=s[i]-32; } } for(int i=len-1;i>=0;i--){ s1=s1+s[i]; } for(int i=0;i<=len-1;i++){ s2[i]=s2[i]+3; if(s2[i]>'z'){ s2[i]=s2[i]-26; } else if(s2[i]>='Z'&&s2[i]<'a'){ s2[i]=s2[i]-26; } } cout<<s2<<endl; return 0; }