[백준/파이썬]11874번 ZAMKA

-코드

def Sum(n):
    n = int(n)
    S = 0
    while n:
        S += n % 10
        n //= 10
    return S


l = int(input())
d = int(input())
x = int(input())

for i in range(l, d + 1):
    if Sum(i) == x:
        print(i)
        break

for i in range(d, l - 1, -1):
    if Sum(i) == x:
        print(i)
        break