import copy
from sys import stdin


class MatrixError(BaseException):
    def __init__(self, matrix1, matrix2):
        self.matrix1 = matrix1
        self.matrix2 = matrix2


class Matrix:
    def __init__(self, matrix):
        self.matrix = copy.deepcopy(matrix)

    def __str__(self):
        result = ''
        for i in range(len(self.matrix)):
            if i < len(self.matrix) - 1:
                for j in range(len(self.matrix[i])):
                    if j < len(self.matrix[i]) - 1:
                        result += str(self.matrix[i][j]) + '\t'
                    else:
                        result += str(self.matrix[i][j]) + '\n'
            else:
                for j in range(len(self.matrix[i])):
                    if j < len(self.matrix[i]) - 1:
                        result += str(self.matrix[i][j]) + '\t'
                    else:
                        result += str(self.matrix[i][j])
        return result

    def size(self):
        return len(self.matrix), len(self.matrix[1])

    def __add__(self, other):
        arrows = len(self.matrix) == len(other.matrix)
        columns = len(self.matrix[0]) == len(other.matrix[0])
        if arrows and columns:
            newMatrix = list()
            for i in range(len(self.matrix)):
                line = []
                for j in range(len(self.matrix[i])):
                    line.append(self.matrix[i][j] + other.matrix[i][j])
                newMatrix.append(line)
                line = []
            return Matrix(newMatrix)
        else:
            raise MatrixError(self, other)

    def __mul__(self, other):
        if isinstance(other, float) or isinstance(other, int):
            newMatrix = list()
            for i in range(len(self.matrix)):
                line = []
                for j in range(len(self.matrix[i])):
                    line.append(self.matrix[i][j] * other)
                newMatrix.append(line)
                line = []
        elif isinstance(other, Matrix):
            arrows = len(other.matrix)
            columns = len(self.matrix[0])
            if arrows == columns:
                pass

        return Matrix(newMatrix)

    __rmul__ = __mul__

    def transposed(self):
        newMatrix = []
        for j in range(len(self.matrix[0])):
            newMatrix.append([])
            for i in range(len(self.matrix)):
                newMatrix[j].append(self.matrix[i][j])
        return Matrix(newMatrix)

    def transpose(self):
        newMatrix = []
        for j in range(len(self.matrix[0])):
            newMatrix.append([])
            for i in range(len(self.matrix)):
                newMatrix[j].append(self.matrix[i][j])
        self.matrix = newMatrix
        return Matrix(newMatrix)


exec(stdin.read())