xa,ya,ta,x11,y11,x12,y12,x21,y21,x22,y22=$<.read.split.map(&:to_f)
za=xa+ya*1i
z11=x11+y11*1i
z12=x12+y12*1i
z21=x21+y21*1i
z22=x22+y22*1i
dp=z11-z12
dq=z21-z22
zb=(za*dp+z21*z12-z22*z11)/dq
tb=(ta+(dp.arg-dq.arg)*180/Math::PI)%360.0
puts [*zb.rect,tb]*?\s