password = input()  # 获取目标密码
letter = "abcdefghijklmnopqrstuvwxyz"
str_c = ""
for i in str_a:
    if i not in str_c:  # 秘钥去重
        str_c += i
for j in letter:
    if j not in str_c:  # 生成新字母表
        str_c += j
stri01 = ""
for q in password:
    a = -1
    for w in letter:
        a += 1
        if q == w:  # 获取旧字母表中秘钥字母对应的新字母表字母，形成加密密码
            stri01 += str_c[a]
print(stri01)