#include<bits/stdc++.h> using namespace std; int main(){ string s,s1; cin>>s; s1=s; int len=s.size(); for(int i=0;i<len;i++){ if(s[i]>='A'&&s[i]<='Z'){ s[i]=s[i]+32; } else{ s[i]=s[i]-32; } } for(int j=0;j<len;j++) { s1[j]=s[len-1-j]; } for(int i=0;i<len;i++){ if(s1[i]=='z'){ s1[i]='c'; } else if(s1[i]=='y'){ s1[i]='b'; } else if(s1[i]=='x'){ s1[i]='a'; } else if(s1[i]=='X'){ s1[i]='A'; } else if(s1[i]=='Y'){ s1[i]='B'; } else if(s1[i]=='Z'){ s1[i]='C'; } else{ s1[i]=s1[i+3]; } } cout<<s1; }