a, b = map(int, input().split())
f = 0
if a < 0:
    f ^= 1
    a = -a
if b < 0:
    f ^= 1
    b = -b

ans = str(a // b)
a %= b
S = []
while a:
    a *= 10
    S.append(str(a // b))
    a %= b

if not S:
	print("-" * f + ans)
else:
	print("-" * f + ans + "." + "".join(S))