import strutils, sequtils, 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)
aW1wb3J0IHN0cnV0aWxzLCBzZXF1dGlscywgYWxnb3JpdGhtLCBtYXRoCgpwcm9jIHNvbHZlKCk6IGludCA9CiAgdmFyCiAgICB4eSA9IHJlYWRMaW5lKHN0ZGluKS5zcGxpdCgnICcpLm1hcChwYXJzZURvdWJsZSkKICAgIHg6IGRvdWJsZQogICAgeTogZG91YmxlCiAgICBhbnM6IGludAoKICB4ID0geHlbMF0KICB5ID0geHlbMV0KICBhbnMgPSBzcXJ0KHggKiB4ICsgeSAqIHkgKyAxLjApLmZsb29yKCkudG9JbnQoKQogIHJldHVybiBhbnMKCmVjaG8oc29sdmUp