import numpy
import sys

def getMatrixFromFile(fileName):
    inputFile = open(fileName, 'r')
    return numpy.loadtxt(inputFile)

def Strassen(X,Y):
    n = len(X)
    if n == 2:
        return numpy.matrix([[X[0][0]*Y[0][0] + X[0][1]*Y[1][0], X[0][0]*Y[0][1] + X[0][1]*Y[1][1]],
                            [X[1][0]*Y[0][0] + X[1][1]*Y[1][0], X[1][0]*Y[0][1] + X[1][1]*Y[1][1]]])

    A = X[0:n/2, 0:n/2]
    B = X[0:n/2, n/2:n]
    C = X[n/2:n, 0:n/2]
    D = X[n/2:n,n/2:n]
    E = Y[0:n/2, 0:n/2]
    F = Y[0:n/2, n/2:n]
    G = Y[n/2:n, 0:n/2]
    H = Y[n/2:n,n/2:n]

    P1 = Strassen(A,F-H)
    P2 = Strassen(A+B,H)
    P3 = Strassen(C+D,E)
    P4 = Strassen(D,G-E)
    P5 = Strassen(A+D,E+H)
    P6 = Strassen(B-D,G+H)
    P7 = Strassen(A-C,E+F)

    R = numpy.zeros((n,n))
    R[0:n/2, 0:n/2] = P5 + P4 - P2 + P6
    R[0:n/2, n/2:n] = P1 + P2
    R[n/2:n, 0:n/2] = P3 + P4
    R[n/2:n,n/2:n] = P1 + P5 - P3 - P7

    return R

def main():
    X = getMatrixFromFile(sys.argv[1])
    Y = getMatrixFromFile(sys.argv[2])
    print (Strassen(X,Y))

if __name__ == "__main__":
    main()