#!/usr/bin/python
import sys

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