n, k = map(int, input().split())

q, r = divmod(n, 2)
if k <= q + r:
    ans = "YES"
else:
    ans = "NO"

print(ans) n, k = map(int, input().split()) n map(int, input().split()) map int input().split() ().split () input split k q, r = divmod(n, 2) q divmod(n, 2) divmod n 2 r if k <= q + r:
    ans = "YES"
else:
    ans = "NO" k <= q + r k q + r q r ans = "YES" ans "YES" ans = "NO" ans "NO" print(ans) print ans ans = "YES" "YES" ans k = map(int, input().split()) map(int, input().split()) k ans = "NO" "NO" ans r = divmod(n, 2) divmod(n, 2) r q, r = divmod(n, 2) divmod(n, 2) q n, k = map(int, input().split()) map(int, input().split()) n
n, k = map(int, input().split())

q, r = divmod(n, 2)
if k <= q + r:
    ans = "YES"
else:
    ans = "NO"

print(ans)
