a, b = map(int, input().split())
ans = []
is_m = False
if a < 0:
    is_m = True
    a *= -1

a = str(a)
digit = 0
crr = 0
while digit < len(a):
    crr *= 10
    crr += int(a[digit])
    digit += 1
    d, crr = divmod(crr, b)
    if d == 0:
        if len(ans) != 0:
            ans.append("0")
    else:
        ans.append(str(d))

if len(ans) == 0:
    ans.append("0")
ans.append(".")
while crr > 0:
    crr *= 10
    d, crr = divmod(crr, b)
    ans.append(str(d))
ans.append("0")
if is_m:
    ans.insert(0, "-")

print("".join(ans))