#include<cstdio>
#include<cmath>
#include<iostream>
#include<algorithm>
using namespace std;
int main(){
    string str,kaku[3]={"the","this","that"};
    getline(cin,str);
    while(1){
        for(int i=0;i<str.size();i++){
            if('A'<=str[i]&&str[i]<='Y')str[i]++;
            else if(str[i]=='Z')str[i]-=25;
            else if('a'<=str[i]&&str[i]<='y')str[i]++;
            else if(str[i]=='z')str[i]-=25;
        }
        for(int i=0;i<3;i++){
            if(str.find(kaku[i])!=string::npos)goto exit;
        }
    }
exit:
    cout<<str<<endl;
    return 0;
}