# ratap 
# Fig. 19.1 
# input: 1.6180339887498948432, 1.4142135623730955049, 3.141592653589793238  qmax =1000

r,qmax = map(float, input("r qmax=? ").split())
p = 0; q = 1
min = r
while q < qmax:
  if p/q < r:
    p += 1
  else:
    q += 1
  d = abs(r - p/q)
  if d < min: 
    min = d
    print(p, "/", q)
  if (d == 0):
    break