def main():
    import math

    x, y = [int(i) for i in input().split(" ")]

    l = math.sqrt(x**2 + y**2)
    r = math.ceil(l * 2)
    m = l * 2

    if m.is_integer():
        ans = r + 1
    else:
        ans = r


    print(ans)


if __name__ == "__main__":
    main()