using namespace std;
string s;
int main(){
	cin>>s;
	for(int i=0; i<s.size(); i++){
	    if(s[i]>='A'&&s[i]<='Z') s[i]+=32;
	    else if(s[i]>='a'&&s[i]<='z')s[i]-=32;
	}
	for(int i=0; i<s.size(); i++){
		if(s[i]>='A'&&s[i]<='Z') {
			if(s[i]+3<='Z') s[i]=s[i]+3;
			else s[i]=s[i]+3-26;
		}
		if(s[i]>='a'&&s[i]<='z'){
			if(s[i]+3<='z') s[i]=s[i]+3;
			else s[i]=s[i]+3-26;
		}
	}
	for(int i=s.size()-1; i>=0; i--) cout<<s[i];
	return 0;
}