n, k = map(int, input().split())
cnt = 0
for i in range(0,n,2):
    cnt += 1
if cnt >= k:
    print("YES")
else:
    print("NO") n, k = map(int, input().split()) n map(int, input().split()) map int input().split() ().split () input split k cnt = 0 cnt 0 for i in range(0,n,2):
    cnt += 1 i range(0,n,2) range 0 n 2 cnt += 1 cnt 1 if cnt >= k:
    print("YES")
else:
    print("NO") cnt >= k cnt k print("YES") print "YES" print("NO") print "NO" cnt += 1 1 cnt cnt = 0 0 cnt k = map(int, input().split()) map(int, input().split()) k n, k = map(int, input().split()) map(int, input().split()) n
n, k = map(int, input().split())
cnt = 0
for i in range(0,n,2):
    cnt += 1
if cnt >= k:
    print("YES")
else:
    print("NO")