import sys; input = sys.stdin.buffer.readline
sys.setrecursionlimit(10**7)
from collections import defaultdict
con = 10 ** 9 + 7; INF = float("inf")

def getlist():
	return list(map(int, input().split()))

#処理内容
def main():
	x, y = getlist()
	ans = 0
	for i in range(50000):
		if i ** 2 > (x ** 2 + y ** 2) * 4:
			print(i)
			return

if __name__ == '__main__':
	main()