maxs = 0
flag = 0
def number(n , digit, start, total):
    global maxs
    global flag
    if digit == 0:
        flag = 1
        maxs = int(total)
        return

    for i in range(9 , -1, -1):
        cur = total
        if i > n:
            continue
        if start == digit and i == 0:
            continue
        cur +=  str(i)

        number(n - i, digit - 1, start, cur)
        if flag == 1:
            return

if flag == 0:
    maxs = -1

mins = -1
flagmin = 0
def numbermin(n , digit, start, total):
    global mins
    global flagmin
    if digit == 0:
        flagmin = 1
        mins = int(total)
        return

    for i in range(0 , 10):
        cur = total

        if start == digit and i == 0:
            continue

        cur +=  str(i)

        number(n - i, digit - 1, start, cur)
        if flagmin == 1:
            return

print(flagmin)
numbermin(15, 2, 2, "")



print(mins)