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Score : $200$ points

### Problem Statement

We have a string $S$ consisting of uppercase English letters. Additionally, an integer $N$ will be given.

Shift each character of $S$ by $N$ in alphabetical order (see below), and print the resulting string.

We assume that A follows Z. For example, shifting A by $2$ results in C (A $\to$ B $\to$ C), and shifting Y by $3$ results in B (Y $\to$ Z $\to$ A $\to$ B).

### Constraints

• $0 \leq N \leq 26$
• $1 \leq |S| \leq 10^4$
• $S$ consists of uppercase English letters.

### Input

Input is given from Standard Input in the following format:

$N$
$S$


### Output

Print the string resulting from shifting each character of $S$ by $N$ in alphabetical order.

### Sample Input 1

2
ABCXYZ


### Sample Output 1

CDEZAB


Note that A follows Z.

### Sample Input 2

0
ABCXYZ


### Sample Output 2

ABCXYZ


### Sample Input 3

13
ABCDEFGHIJKLMNOPQRSTUVWXYZ


### Sample Output 3

NOPQRSTUVWXYZABCDEFGHIJKLM