# -*- coding: utf-8 -*-
"""
No.98 円を描こう
https://yukicoder.me/problems/no/98

"""
import sys
from sys import stdin
from math import ceil
input = stdin.readline


def solve(xp, yp):
    r = (xp**2 + yp**2)**0.5
    d = r * 2
    ans = ceil(d)
    if ((ans/2)**2 == xp**2 + yp**2):
        ans += 1
    return ans


def main(args):
    xp, yp = map(int, input().split())
    ans = solve(xp, yp)
    print(ans)


if __name__ == '__main__':
    main(sys.argv[1:])