package main

import (
	"fmt"
	"bufio"
	"os"
)

func main() {
	r := bufio.NewReader(os.Stdin)
	w := bufio.NewWriter(os.Stdout)
	defer w.Flush()
	var N, M int
	fmt.Fscan(r, &N, &M)
	V := make([][]int, N)
	for i := 0; i < N; i++ {
		V[i] = make([]int, N)
	}
	for i := 0; i < M; i++ {
		var a, b int
		fmt.Fscan(r, &a, &b)
		V[a-1][b-1] = 1
		V[b-1][a-1] = 1
	}
	cnt := 0
	change := true
	for change {
		change = false
		for i := 0; i < N; i++ {
			if Sum(V[i]) == 1 {
				j := Index(V[i], 1)
				V[i][j] = 0
				V[j][i] = 0
				change = true
				cnt++
			}
		}
	}
	if cnt % 2 == 1 {
		fmt.Fprintln(w, "Yes")
	} else {
		fmt.Fprintln(w, "No")
	}
}

func Sum(a []int) int {
	var sum int
	for _, v := range a {
		sum += v
	}
	return sum
}

func Index(a []int, value int) int {
	var index int = -1
	for i, v := range a {
		if v == value {
			index = i
			break
		}
	}
	return index
}