#include<iostream>
#include<string>
using namespace std;
int main(){
  string str;
  while(getline(cin,str)){
    
    int a = 't'-str[0];

    for(int i=0;i<str.size();i++){
      
      if(str[i] >= 'a' && str[i] <= 'z'){
	str[i] = (str[i]-'a'+26+a)%26+'a';
      }
      cout << str[i];
    }
    cout << endl;
  }
  return (0);
}