f = lambda x: 3 * x / 7
gcd = lambda x, y: (y == 0) and x or gcd(y, x % y)

maxx = [1] * 3

for i in xrange(1, 1000001):
  if i % 7 == 0:
    continue
  tmpi = f(i)
  if gcd(i, tmpi) == 1:
    tmp = 3.0 / 7 - float(tmpi) / i
    if tmp < maxx[0]:
      maxx = [tmp, tmpi, i]

print maxx