// 標準入力
var fs = require('fs'),
length = fs.fstatSync(process.stdin.fd).size,
buffer = new Buffer(length),
bytesRead = fs.readSync(process.stdin.fd, buffer, 0, length, 0),
input = buffer.toString('utf8', 0, bytesRead).trim().split('\n');
main();

function main(){
  var decrypted = "";
  for(var i = 0, len = input.length; i < len; i++){
    for(var j = 1;;j++){
      decrypted = decrypt(input[i], j);
      if(decrypted.match(/(this|that|the)/g)){
        console.log(decrypted);
        break;
      }
    }
  }
}

function decrypt(a, i){
  var result = "";
  for(var j = 0, len = a.length; j < len; j++){
    var t = a.charCodeAt(j);
    if(0x61 <= t){
      result += String.fromCharCode(t + i);
    }else{
      result += a[j];
    }
    
  }
  return result;
}