#include<iostream>
#include<string>
using namespace std;

int main(void){
	string in;
	while(cin>>in){
		for(int i=0;i<in.size();i++){
			if('a'<=in[i]&&in[i]<='z'){
				in[i]-=4;
				if(in[i]-'a'<0)in[i]+=26;
			}
		}
		cout<<in<<" ";
	}
	cout<<endl;

}