#include<iostream>
#include<string>
using namespace std;
main(){
	string str;
	int tmp;
	while(getline(cin,str)){
		tmp=str[0]-'t';
		for(int i=0;i<str.size();++i){
			if(str[i]>='a' && str[i]<='z')str[i]-=tmp;
		}
		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;
	}
}