#include<iostream>
#include<cstring>
using namespace std;
int main(){
int i,j,k,n;
char s[81];
while(cin.getline(s,81)){
n=strlen(s);
for(j=1;j<27;j++){
for(i=0;i<n;i++){
if(96<s[i]&&s[i]<122)s[i]++;
else if(s[i]==122)s[i]=97;
}
for(i=0;i<n;i++){
if(!strncmp(s+i,"the",3))goto L1;
if(!strncmp(s+i,"this",4))goto L1;
if(!strncmp(s+i,"that",4))goto L1;
}
}
L1:cout<<s<<endl;
}
return 0;
}