#727. Pattern: Letter square
You are given n. Print the **Letter square** pattern of size n, like in the example. Be careful with spaces (spaces at the end of a line do not matter).
### Input
One integer n (2 ≤ n ≤ 9).
### Output
The pattern.
Examples
Input
9
Output
AAAAAAAAA BBBBBBBBB CCCCCCCCC DDDDDDDDD EEEEEEEEE FFFFFFFFF GGGGGGGGG HHHHHHHHH IIIIIIIII
Input
2
Output
AA BB
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.