#!/usr/bin/python
import sys

def compute(prey):
	temp0 = prey[0] + prey[0]
	if prey[1] != 0:
		temp1 = prey[0] % prey[1]
	else:
		temp1 = prey[1]
	if temp0 > temp1:
		temp1 = temp0 - prey[0]
	else:
		temp1 = temp0 + temp1
	if temp0 != 0:
		temp2 = prey[1] % temp0
	else:
		temp2 = temp0
	temp1 = prey[1] - temp0
	if prey[0] > temp1:
		temp0 = temp1 - temp0
	else:
		temp0 = max(prey[1], prey[0])
	if temp0 > prey[0]:
		temp3 = -1 * temp2
	else:
		temp3 = temp0 + prey[0]
	temp1 = temp0 + temp2
	if temp1 > temp0:
		temp0 = min(temp0, temp3)
	else:
		if temp0 != 0:
			temp0 = temp1 / temp0
		else:
			temp0 = temp0
	temp3 = prey[0] - prey[1]
	if prey[0] != 0:
		temp0 = temp1 % prey[0]
	else:
		temp0 = prey[0]
	temp0 = -1 * prey[0]
	if prey[0] != 0:
		temp4 = prey[0] % prey[0]
	else:
		temp4 = prey[0]
	temp2 = temp4 - temp4
	temp3 = temp4 + temp1
	return [prey[0], prey[0]]
