a, b=map(int, input().split())
c=a*(10**60)//b
ans=str(c)
if len(ans)<=60:
  print("0.", end="")
  x=60-len(ans)
  for i in range(x):
    print("0", end="")
  print(ans[0:50-x])
else:
  x=len(ans)-60
  print(ans[0:x], end="")
  print(".", end="")
  print(ans[x:50+x])