package main import ( "bufio" "fmt" "log" "math" "math/big" "os" "strconv" ) func setBit(d, n int) int { t := 1 << uint(n) return d | t } func bitExist(n, i int) bool { return ((n >> uint(i)) & 1) == 1 } func bitCount(n uint) int { x := uint64(n) const m = 1<<64 - 1 const m0 = 0x5555555555555555 const m1 = 0x3333333333333333 const m2 = 0x0f0f0f0f0f0f0f0f x = x>>1&(m0&m) + x&(m0&m) x = x>>2&(m1&m) + x&(m1&m) x = (x>>4 + x) & (m2 & m) x += x >> 8 x += x >> 16 x += x >> 32 return int(x) & (1<<7 - 1) } func main() { N := nextString() M := nextString() n := new(big.Int) m := new(big.Int) n, ok := n.SetString(N, 10) if !ok { log.Println("error") } m, _ = m.SetString(M, 10) z := new(big.Int) two := new(big.Int) two.SetString("2", 10) one := new(big.Int) one.SetString("1", 10) zero := new(big.Int) zero.SetString("0", 10) ten := new(big.Int) ten.SetInt64(10) // fmt.Println(z.Cmp(zero)) if z.Mod(m, two).Cmp(zero) != 0 || (z.Mod(n, two).Cmp(zero) != 0 && m.Cmp(ten) < 0) { fmt.Println("No") } else { fmt.Println("Yes") } } var dy = []int{1, 0, -1, 0, 0} var dx = []int{0, 1, 0, -1, 0} var inf = int(1e9) func fill(a *[]int, n int) { for i := 0; i < len(*a); i++ { (*a)[i] = n } } func makeDoubleSlice(n int, m int) [][]int { s := make([][]int, n) for i := 0; i < n; i++ { s[i] = make([]int, m) } return s } func pow(a, b int) int { return int(math.Pow(float64(a), float64(b))) } func lcm(a, b int) int { return a * b / gcd(a, b) } func gcd(a, b int) int { if a < b { a, b = b, a } for b != 0 { a, b = b, a%b } return a } func max(a ...int) int { r := a[0] for i := 0; i < len(a); i++ { if r < a[i] { r = a[i] } } return r } func min(a ...int) int { r := a[0] for i := 0; i < len(a); i++ { if r > a[i] { r = a[i] } } return r } func sum(a []int) (r int) { for i := range a { r += a[i] } return r } func abs(a int) int { if a < 0 { return -a } return a } type pair struct { a, b int } type pairs []pair func (p pairs) Len() int { return len(p) } func (p pairs) Swap(i, j int) { p[i], p[j] = p[j], p[i] } func (p pairs) Less(i, j int) bool { if p[i].a == p[j].a { return p[i].b < p[j].b } return p[i].a < p[j].a } var nextReader func() []byte func init() { nextReader = newScanner() log.SetFlags(log.Lshortfile) } func newScanner() func() []byte { r := bufio.NewScanner(os.Stdin) r.Buffer(make([]byte, 1024), int(1e+11)) r.Split(bufio.ScanWords) return func() []byte { r.Scan() return r.Bytes() } } func nextBytes() []byte { return nextReader() } func nextString() string { return string(nextReader()) } func nextInt64() int64 { v, _ := strconv.ParseInt(string(nextReader()), 10, 64) return v } func nextInt() int { v, _ := strconv.Atoi(string(nextReader())) return v } func nextInts(n int) []int { r := make([]int, n) for i := 0; i < n; i++ { r[i] = nextInt() } return r } func nextFloat64() float64 { f, _ := strconv.ParseFloat(string(nextReader()), 64) return f }