A, B = [int(i) for i in input().split()]

ans = []

d, q = divmod(A, B)
ans.append(str(d))
A = q * 10

for _ in range(50):
    d, q = divmod(A, B)
    ans.append(str(d))
    A = q * 10

print(f"{ans[0]}." + "".join(ans[1:]))