Description

Although he forgot the password, he still remembers that it is composed of a string. The password is formed by shifting each letter in the original string (consisting of at most 50 lowercase letters) forward by $n$ positions. The letter z is followed by a, wrapping around. Now that he has the original string before shifting and the value of $n$, please compute the password.

Input Format

The first line: $n$. The second line: a string of letters before shifting.

Output Format

One line, which is this newbie's password.

1
qwe

rxf

Hint

The string length is $\le 50$, and $1 \leq n \leq 26$.

Translated by ChatGPT 5