#!/usr/bin/python
import sys

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