#from sys import stdin


class Matrix:
    def __init__(self, lines):
        self.lines = []
        for line in lines:
            lines.append(line.copy())

    def __str__(self):
        s = '\n'.join(map(lambda line: '\t'.join(map(str, line)), self.lines))
        return s

m1 = Matrix([[1, 0, 0], [1, 1, 1], [0, 0, 0]])
m2 = Matrix([[1, 0, 0], [1, 1, 1], [0, 0, 0]])
print(str(m1) == str(m2))