class Bit:
    def __init__(self, v):
        self.value = 0

        if v != 0:
            self.value = 1

    def set(self, v):
        if v == 0:
            self.value = 0
        else:
            self.value = 1

    def get(self):
        return self.value

    def bit_and(self, otherBit):
        if self.value == 1 and otherBit.get() == 1:
            return 1
        else:
            return 0

def print_and_table():
    print "A".rjust(5) + "B".rjust(5) + "   A and B"

    b1 = Bit(0)
    b2 = Bit(0)

    for i in range(2):
        for j in range(2):
            b1.set(i)
            b2.set(j)

            print str(i).rjust(5) + str(j).rjust(5) + \
              str(b1.bit_and(b2)).rjust(5)

def print_and_table_so_so():
    print "A " + "B " + "   A and B"

    b1 = Bit(0)
    b2 = Bit(0)

    for i in range(2):
        for j in range(2):
            b1.set(i)
            b2.set(j)

            print str(i) + " " + str(j) + " " + str(b1.bit_and(b2))


                                    
#printAndTable()