Twilight Sparkle once got a crystal from the Crystal Mine. A crystal of size n ( n is odd; n 1) is an n × n matrix with a diamond inscribed into it. You are given an odd integer n . You need to draw a crystal of size n . The diamond cells of the matrix should be represented by character "D". All other cells of the matrix should be represented by character "*". Look at the examples to understand what you need to draw.

输入描述:

The only line contains an integer n (3 ≤ n ≤ 101; n is odd).

输出描述:

Output a crystal of size n.