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