# aus.py

def det3 (A):
  (a11,a12,a13)=A[0]; (a21,a22,a23)=A[1]; (a31,a32,a33)=A[2]
  return a11*(a22*a33-a23*a32)-a12*(a21*a33-a23*a31)+a13*(a21*a32-a22*a31)

def mod (m):
  def f (x): return x%m
  return f
  def __call__ (A,alfa):
    b=0
    for ak in reversed(A): b=b*alfa+ak
    return b