#include<iostream>
#include<string>
using namespace std;
main(){
	string str;
	int tmp,b;
	while(getline(cin,str)){
		tmp='t'-str[0];
		for(int i=0;i<str.size();++i){
			if(str[i]>='a' && str[i]<='z'){
				if(str[i]>='r')str[i]-=26;
				str[i]+=tmp;
				if(str[i]<'a')str[i]+=26;
				else if(str[i]>'z')str[i]-=26;
			}
		}
		string str2="    ";
		for(int i=0;i<=3,i<=3;++i)str2[i]=str[i];
		//if(str2=="this" || str2=="the " || str2=="that")
		cout<<str<<endl;
	}
}