#include<iostream>
#include<cstring>
#include<algorithm>
using namespace std;
int main(){
	string a;
	cin>>a;
	int l=a.size();
	for(int i=0;i<l;i++){
		a[i]=a[i]+3;
		if((a[i]>'Z' && a[i]<'a') || a[i]>'z'){
			a[i]=a[i]-26;			
		}		
	}	
	reverse(&a[0],&a[l]);
	for(int i=0;i<l;i++){
		if(a[i]>='A' && a[i]<='Z'){
			a[i]=a[i]+32;
		}else{
			a[i]=a[i]-32;
		}
	}
	cout<<a;
	return 0;
}