#region ccfuncs
import strutils

type TypeInt = typedesc[int]

proc read(a: TypeInt, b: TypeInt): (int, int) {.used.} =
    let data = stdin.readLine.split
    (data[0].parseInt, data[1].parseInt)

proc answer(n: int) {.used.} =
    echo n
#endregion

let (a, b) = read(int, int)

answer:
    (a or b) + (a and b)