print(2 * 3)
print(2 + 3)
print(2 - 3)
print(2 / 3)
print(2 / 3.0)
print(2.0 / 3)
print(2.0 / 3.0)

print( 3 // 2)
print( type(divmod(17,10)))

print('start')
print(14,(2 + 3 * 4))
print(10,(-2 + 3 * 4))
print((-20,-(2+3) * 4))

print(4,(4 / 2 * 2))
print(1,(4 / (2 * 2)))

print(2 ** 3 ** 4)
print((2 ** 3) ** 4)
print(2 ** (3 ** 4))
print('end')