def main():
    a, b = map(int, input().split())
    ans = str(a // b) + "."
    r = a % b

    # 筆算の容量で1桁ずつずらしながら割っていく
    for _ in range(50):
        r *= 10
        c = r // b
        ans += str(c)
        r -= b * c
    print(ans)


if __name__ == "__main__":
    main()