A, B = list(map(int,input().split()))

answer = []
if A * B < 0:
    answer.append("-")
A = abs(A)
B = abs(B)
answer.append(str(A // B))
A = A % B
answer.append(".")
counter = 0
while A != 0 and counter < 30:
    A *= 10
    answer.append(str(A // B))
    A = A % B
    counter += 1

answer.append("0")
ans = "".join(answer)

print(ans)