import strutils, algorithm, math
proc solve(): int =
var
xy = readLine(stdin).split(' ').map(parseDouble)
x: double
y: double
ans: int
x = xy[0]
y = xy[1]
ans
= sqrt(x
* x
+ y
* y
+ 1.0).
floor().
toInt() return ans
echo(solve)
aW1wb3J0IHN0cnV0aWxzLCBhbGdvcml0aG0sIG1hdGgKCnByb2Mgc29sdmUoKTogaW50ID0KICB2YXIKICAgIHh5ID0gcmVhZExpbmUoc3RkaW4pLnNwbGl0KCcgJykubWFwKHBhcnNlRG91YmxlKQogICAgeDogZG91YmxlCiAgICB5OiBkb3VibGUKICAgIGFuczogaW50CgogIHggPSB4eVswXQogIHkgPSB4eVsxXQogIGFucyA9IHNxcnQoeCAqIHggKyB5ICogeSArIDEuMCkuZmxvb3IoKS50b0ludCgpCiAgcmV0dXJuIGFucwoKZWNobyhzb2x2ZSkK