2025 11 07

# def f(n):

# if n==0:

# return

# f(n // k)

# if n%k>9:

# print(chr(n%k+55),end='')

# return

# print(n%k,end="")

# if n%k>9:

# print(chr(n%k+55),end='')

# n,k=map(int,input().split())

# f(n)

# n=int(input())

# print(chr(n+55))

def f(n):