def com(A, B):
   result = [[[] for j in range(0, 4)] for i in range(0, 4)]

   for i in range(0, 4):
      T = []
      for j in range(0, 4):
         for k in range(0, 4):
            result[i][j].append(min(A[i][k], B[k][j]))
         
   return result


if __name__ == '__main__':
   A = [[0.9, 0.2, 0.6, 0.4],
        [0.2, 0.6, 0.3, 0.4],
        [0.2, 0.4, 0.6, 0.3],
        [0.3, 0.9, 0.6, 0.1]]
   B = [[0.6, 0.2, 0.4, 0.3],
        [0.3, 0.6, 0.6, 0.4],
        [0.9, 0.2, 0.1, 0.2],
        [0.6, 0.6, 0.4, 0.2]]
   raw = com(A, B)
   print [[max(raw[i][j]) for j in range(0, 4)] for i in range(0, 4)]