import math

inp = open('input.txt', 'r')
otp = open('output.txt', 'w')

strinp = inp.readline()  # Where is my boat
Ux, Uy = map(float, strinp.split())
strinp = inp.readline()  # Direction of my boat (vec a)
ax, ay = map(float, strinp.split())
strinp = inp.readline()  # Direction of my 'mach'
mx, my = map(float, strinp.split())
strinp = inp.readline()  # Where empty boats are
wx, wy = map(float, strinp.split())

corner_of_enemies = 90 - math.acos((ax * (wx - Ux) + ay * (wy - Uy)) / ((ax**2 + ay**2)**0.5 * ((wx - Ux)**2 + (wy - Uy)**2)**0.5))*180/math.pi

corner_of_mach = abs(math.acos(1 / ((mx**2 + my**2 + 1)**0.5)) * 180 / math.pi)
if mx*(ay-Uy) - my*(ax-Ux) > 0:
    corner_of_mach *= -1

orientation = 0
if ax == 0:
    if wx < ax+Ux:
        if ay > 0:
            orientation = 1
        else:
            orientation = -1
    elif wx > ax+Ux:
        if ay > 0:
            orientation = -1
        else:
            orientation = 1
elif wy > (((ax+Ux)*Uy - (ay+Uy)*Ux)+((ay+Uy) - Uy)*wx) / ax:
    if ax > 0:
        orientation = 1
    else:
        orientation = -1
elif wy < (((ax+Ux)*Uy - (ay+Uy)*Ux)+((ay+Uy) - Uy)*wx) / ax:
    if ax > 0:
        orientation = -1
    else:
        orientation = 1


if abs(corner_of_enemies) < 60 and abs(corner_of_mach) < 60 and orientation != 0:
    otp.write(str(orientation) + '\n')
    otp.write(str(round(corner_of_enemies, 2)) + '\n')
    otp.write(str(round(corner_of_mach, 2)) + '\n')
    otp.write('Ahtung!')
else:
    otp.write('0')