import sys # sys.setrecursionlimit(200005) int1 = lambda x: int(x)-1 pDB = lambda *x: print(*x, end="\n", file=sys.stderr) p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr) def II(): return int(sys.stdin.readline()) def LI(): return list(map(int, sys.stdin.readline().split())) def LLI(rows_number): return [LI() for _ in range(rows_number)] def LI1(): return list(map(int1, sys.stdin.readline().split())) def LLI1(rows_number): return [LI1() for _ in range(rows_number)] def SI(): return sys.stdin.readline().rstrip() dij = [(0, 1), (-1, 0), (0, -1), (1, 0)] # dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)] inf = (1 << 63)-1 # inf = (1 << 31)-1 # md = 10**9+7 md = 998244353 n, m = LI() to = [set() for _ in range(n)] for _ in range(m): u, v = LI1() to[u].add(v) to[v].add(u) st = [] for u in range(n): if len(to[u]) == 1: st.append(u) cnt = 0 while st: u = st.pop() if not to[u]: continue cnt ^= 1 for v in to[u]: to[v].discard(u) if len(to[v]) == 1: st.append(v) print("Yes" if cnt else "No")