#!/usr/bin/env python
# -*- coding: utf-8 -*-

NORTH, S, W, E = (0, -1), (0, 1), (-1, 0), (1, 0) # directions

turn_right = {
              E: NORTH,
              NORTH: W,
              W: S,
              S: E,
             } # old -> new direction

def spiral(width, height):
    if width < 1 or height < 1:
        raise ValueError
    x, y = width // 2, height // 2 # start near the center
    dx, dy = S # initial direction
    matrix = [[None] * width for _ in range(height)]
    count = 0
    while True:
        count += 1
        matrix[y][x] = count # visit
        # try to turn right
        new_dx, new_dy = turn_right[dx,dy]
        new_x, new_y = x + new_dx, y + new_dy
        if (0 <= new_x < width and 0 <= new_y < height and
            matrix[new_y][new_x] is None): # can turn right
            x, y = new_x, new_y
            dx, dy = new_dx, new_dy
        else: # try to move straight
            x, y = x + dx, y + dy
            if not (0 <= x < width and 0 <= y < height):
                return matrix # nowhere to go

def spiral2(width, height):
    if width < 1 or height < 1:
        raise ValueError
    x, y = width // 2, height // 2 # start near the center
    dx, dy = S # initial direction
    mydict = {}
    matrix = [[None] * width for _ in range(height)]
    count = 0
    while True:
        count += 1
        matrix[y][x] = count # visit
        mydict[count] = (x,y)
        # try to turn right
        new_dx, new_dy = turn_right[dx,dy]
        new_x, new_y = x + new_dx, y + new_dy
        if (0 <= new_x < width and 0 <= new_y < height and
            matrix[new_y][new_x] is None): # can turn right
            x, y = new_x, new_y
            dx, dy = new_dx, new_dy
        else: # try to move straight
            x, y = x + dx, y + dy
            if not (0 <= x < width and 0 <= y < height):
                #return matrix # nowhere to go
                return mydict


def print_matrix(matrix):
    width = len(str(max(el for row in matrix for el in row if el is not None)))
    fmt = "{:0%dd}" % width
    for row in matrix:
        print(" ".join("_"*width if el is None else fmt.format(el) for el in row))

#print_matrix(spiral(601, 601))
#print_matrix(spiral(5, 5))

aids = spiral2(601,601) 

dstx = aids[1][0]
dsty = aids[1][1]

x = aids[265149][0]
y = aids[265149][1]

distance = abs(x - dstx) + abs(y - dsty)
print(distance)