sss

n = int(input())
is_found = False
for a in range(1, 10):
    for b in range(9, a - 1, - 1):
        for c in range(0, 10):
            for d in range(9, c - 1, -1):
                if (a + b + c + d) == (a * b * c * d) and n % 10 == 5:
                    is_found = True
                    print(f'{a}{b}{c}{d}')
                    exit()
                elif (a * b * c * d) // (a + b + c + d) == 3 and n % 3 == 0:
                    print(f'{d}{c}{b}{a}')
                    exit()
if not is_found:
    print('Nothing found')