def PrintMatrix(mat):
    l = 0
    for i in mat:
        p = 0
        for j in i:
            if (p <= (len(i) - 2)):
                print(j, end=' ')
                p = p + 1
            else:
                print(j, end='')
        if (l <= (len(mat) - 2)):
            print(end="\n")
            l = l + 1