from math import ceil, sqrt


def main():
    X, Y = map(int, input().split())
    minimum = ceil(2 * sqrt(X**2 + Y**2))
    if 4 * (X ** 2 + Y ** 2) < minimum ** 2:
        print(minimum)
    else:
        print(minimum + 1)


if __name__ == "__main__":
    main()