#!/usr/bin/python
import sys

def compute(prey):
	temp0 = prey[1] + prey[1]
	if prey[1] != 0:
		temp1 = temp0 / prey[1]
	else:
		temp1 = prey[1]
	temp1 = temp1 * temp0
	if prey[0] > prey[1]:
		if temp0 != 0:
			temp2 = temp0 % temp0
		else:
			temp2 = temp0
	else:
		temp2 = prey[0] + prey[0]
	temp2 = -1 * temp0
	temp0 = min(temp2, temp2)
	if temp0 != 0:
		temp0 = temp1 % temp0
	else:
		temp0 = temp0
	if prey[1] != 0:
		temp1 = prey[0] % prey[1]
	else:
		temp1 = prey[1]
	if temp1 != 0:
		temp1 = temp1 / temp1
	else:
		temp1 = temp1
	temp1 = temp0 + prey[0]
	temp0 = max(temp0, prey[1])
	if temp0 != 0:
		temp0 = prey[0] % temp0
	else:
		temp0 = temp0
	if temp1 != 0:
		temp1 = prey[1] / temp1
	else:
		temp1 = temp1
	temp0 = -1 * temp2
	temp2 = -1 * prey[1]
	temp2 = -1 * temp2
	temp2 = prey[1] - prey[1]
	temp2 = temp1 + temp0
	return [temp2, temp2]
