20250607

# n=int(input())
# for i in range(n):
#     for j in range(n):
#         if i==0 or j==0 or :
#             print('*',end='')
#         else :
#             print(' ',end='')
#     print()

# n=int(input())
# for i in range(n):
#     for j in range(n):
#         if i==0 or j==0 or i==n-1 or j==n-1 or i==j or (n-j)+(n-i)==n+1:
#             print('*',end='')
#         else :
#             print(" ",end='')
#     print()

# n=int(input())
# for i in range(n):
#     for j in range(n):
#         if i==0 or j==0 or i==n-1 or j==n-1 or i==j or (n-j)+(n-i)==n+1 or i==n//2 or j==n//2 :
#             print('*',end='')
#         else :
#             print(" ",end='')
#     print()

# n,k=map(int, input().split())
# for i in range(n):
#     for j in range(n):
#         if i==0 or j==0 or i==n-1 or j==n-1 or (i+j+1)%k==0 :
#             print('*',end='')
#         else :
#             print(" ",end='')
#     print()

# n=int(input())
# for i in range(n//2+1):
#     print(" "*((n-((i*2)+1))//2),'*'*((i*2)+1),sep='')