#!/usr/local/bin/python3
def getRot(x, y):
  global retVal
  if y >= 0:
    if x >= 0:
      if x >= y:
        retVal = 0
      else:
        retVal = 1
    else:
      if y >= 0 - x:
        retVal = 1
      else:
        retVal = 2
  else:
    if x < 0:
      if 0 - x >= 0 - y:
        retVal = 2
      else:
        retVal = 3
    else:
      if 0 - y >= x:
        retVal = 3
      else:
        retVal = 0
  return retVal
print(getRot( 2,1))
print(getRot( 1,2))
print(getRot(-1,2))
print(getRot(-2,1))
print(getRot(-2,-1))
print(getRot(-1,-2))
print(getRot( 1,-2))
print(getRot( 2,-1))