Go: package main

import (
	"bufio"
	"os"
	"strings"
	"fmt"
)

var scanner = bufio.NewScanner(os.Stdin)

func cipher(text string, direction int, int_shift int) string {
	shift, offset := rune(int_shift), rune(26)
	runes := []rune(text)
	for index, char := range runes {
		switch direction {
		case 1:
			if char >= 'a' && char <= 'z'-shift || char >= 'A' && char <= 'Z'-shift {
				char = char + shift
			} else if char > 'z'-shift && char <= 'z' || char > 'Z'-shift && char <= 'Z' {
				char = char + shift - offset
			}
		case -1:
			if char >= 'a'+shift && char <= 'z' || char >= 'A'+shift && char <= 'Z' {
				char = char - shift
			} else if char >= 'a' && char < 'a'+shift || char >= 'A' && char < 'A'+shift {
				char = char - shift + offset
			}
		}
		runes[index] = char
	}
	return string(runes)
}

func main() {
	for scanner.Scan() {
		infos := strings.Split(scanner.Text(), " ")
		plain := make([]string, len(infos))
		// fmt.Println(infos)
		Decryption:
			for i := 0; i < 26; i++ {
				for j := range infos {
					plain[j] = cipher(infos[j], 1, i)
				}
				for j := range plain {
					if plain[j] == "this" || plain[j] == "that" || plain[j] == "the" {
						break Decryption
					}
				}
			}
			fmt.Println(strings.Join(plain, " "))
	}
}

Python: import sys
def _rot(c, i):
    if ord("a") < ord(c) and ord(c) < ord("z"):
        return chr((ord(c) - ord("a") + i) % 26 + ord("a"))
    if ord("A") < ord(c) and ord(c) < ord("Z"):
        return chr((ord(c) - ord("A") + i) % 26 + ord("A"))
    return c
def rot(str,i):
    g=[_rot(c,i) for c in str]
    return "".join(g)

def caesar(str):
    for i in range(26):
       test = rot(str,i).split()
       if ("this" in test) or ("that" in test) or ("the" in test):
           return "".join(test)
    return "nan"

a = []
for line in sys.stdin:
    a.append(line.rstrip())
for i in range(len(a)):
    print(caesar(a[i]))

Python: s = input()
a = "abcdefghijklmnopqrstuvwxyz"
i = 1
while True:
    t = s.translate(str.maketrans(a, a[i:] + a[:i]))
    if "the" in t or "that" in t or "this" in t:
        print(t)
        break
    i += 1

Python: import sys
for b in sys.stdin:
 for i in range(26):
  c=''.join([e,chr((ord(e)-96+i)%26+97)][96<ord(e)<123]for e in b)
  if any(('the'in c,'this'in c,'that'in c)):print(c.strip())

Python: import sys
for s in map(list, sys.stdin.readlines()):
    while True:
        for i, c in enumerate(s):
            char_code = ord(c)
            if 97 <= char_code <= 122:
                char_code = char_code+1 if char_code < 122 else 97
                s[i] = chr(char_code)

        _s = "".join(s)
        if "this" in _s or "the" in _s or "that" in _s:
            print(_s)
            break

Python: def judge_the(word):
	length=ord('t')-ord(word[0])
	if ord('h')-ord(word[1])==ord('e')-ord(word[2])==length:
		return True
	else:
		return False
while True:
	try:
		A=list(map(str,input().split()))
		l=int()
		for i in A:
			if len(i)==3:
				if judge_the(i)==True:
					l=ord('t')-ord(i[0])
					break
		for i in A:
			for c in i:
				C=ord(c)+l
				if C<97:
					C+=26
				if c=='.':
					print(c,end="")
				else:
					print(chr(C),end="")
			if i!=A[-1]:
				print(end=" ")
			else:
				print()
	except EOFError:
		break

Python: s = input()
for i in range(26):
    ans = ""
    for j in range(len(s)):
        ch = s[j]
        if "a" <= ch <= "z":
            ans += chr((ord(ch) - ord("a") + i)%26 + ord("a"))
        else:
            ans += ch
    if "this" in ans or "that" in ans or"the" in ans:
        break
print(ans)

Python: import string
import sys

alpha = string.ascii_lowercase

for line in sys.stdin:
    for i in range(len(alpha)):
        cipher_str = ""
        for s in line:
            if s in alpha:
                cipher_str += alpha[(alpha.index(s)+i) % len(alpha)]
            else:
                cipher_str += s

        if ("the" or "this" or "that") in cipher_str:
            print(cipher_str, end="")
            break
    else:
        print(line, end="")

Python: import sys;

for line in sys.stdin:
	if (line.find('the') != -1) | (line.find('this') != -1) | (line.find('that') != -1):
		print(line);
		continue;
		
	alpha = 'abcdefghijklmnopqrstuvwxyz';
	for i in range(1, 26):
		str = '';
		for j in range(len(line) - 1):
			if ((line[j] == ' ') | (line[j] == '.')):
				str += line[j];
				continue;
			
			index = alpha.find(line[j]);
			str += alpha[(index + i) % 26];
		
		if (str.find('the') != -1) | (str.find('this') != -1) | (str.find('that') != -1):
			print(str);
			break;

Python: # -*- coding: utf-8 -*-

import sys
import os
from math import sin, cos
import math

alphabet = 'abcdefghijklmnopqrstuvwxyz'


def rotate_char(c, num):
    if c == ' ' or c == '.':
        return c

    n = ord(c) + num
    if n > 122:
        n -= 26
    return chr(n)

def rotate_string(s, num):
    ret = []
    for c in s:
        new_c = rotate_char(c, num)
        ret.append(new_c)
    return ''.join(ret)

s = input().strip()
for i in range(1, 26):
    rotated = rotate_string(s, i)
    if 'the' in rotated or 'this' in rotated or 'that' in rotated:
        print(rotated)
        break

Python: import string
import sys

line = input()
alpha = string.ascii_lowercase

for line in sys.stdin:
    for i in range(len(alpha)):
        cipher_str = ""
        for s in line:
            if s in alpha:
                cipher_str += alpha[(alpha.index(s)+i) % len(alpha)]
            else:
                cipher_str += s

        if ("the" or "this" or "that") in cipher_str:
            print(cipher_str)
            break
    else:
        print(line)

Python: import sys
b = sys.stdin
for i in range(1,26):
    c = ''
    for j in b:
        if(j == 'z'):
            c += ('a')
        elif(str.isalpha(j) == 1):
            c += (chr(ord(j) + 1))
        else:
            c += j
    if(('the' in c) | ('this' in c) | ('that' in c)):
        print(c, end = '')
        break
    b = c

Python: import sys


def _rot(c, i):
    if ord("a") < ord(c) and ord(c) < ord("z"):
        return chr((ord(c) - ord("a") + i) % 26 + ord("a"))
    if ord("A") < ord(c) and ord(c) < ord("Z"):
        return chr((ord(c) - ord("A") + i) % 26 + ord("A"))
    return c


def rot(str, i):
    g = [_rot(c, i) for c in str]
    return "".join(g)


def caesar(str):
    test=[]
    for i in range(26):
        test = rot(str, i).split()
        if ("this" in test) or ("that" in test) or ("the" in test)or("this." in test) or ("that." in test):
            return " ".join(test)
    return "nan"


a = []
for line in sys.stdin:
    a.append(line.rstrip())
for i in range(len(a)):
    print(caesar(a[i]))

Python: def dec(text,d):
    r=[]
    for i in text:
        c=ord(i)
        if c<65:r.append(i)
        elif c<91:r.append(chr((c-65+d)%26+65))
        else:r.append(chr((c-97+d)%26+97))
    return "".join(r)

while True:
    try:raw=input()
    except:break
    if raw=="":break
    for i in range(25):
        d=dec(raw,i+1)
        if sum([1 for i in ["the","this","that"] if i in d])>0:break
    print(d)

Python: def judge_the(word):
	length=ord('t')-ord(word[0])
	if ord('h')-ord(word[1])==ord('e')-ord(word[2])==length:
		return True
	else:
		return False

A=list(map(str,input().split()))
l=int()
for i in A:
	if len(i)==3:
		if judge_the(i)==True:
			l=ord('t')-ord(i[0])
			break
for i in A:
	for c in i:
		if c=='.':
			print(c,end="")
		else:
			print(chr(ord(c)+l),end="")
	if i!=A[-1]:
		print(end=" ")
	else:
		print()