inp = input().split(' ')

N = int(inp[0])
K = int(inp[1])
cnt = 0
for i in range(1, N + 1, 2):
  cnt += 1

if cnt >= K:
  print("YES")
else:
  print("NO") inp = input().split(' ') inp input().split(' ') ().split () input split ' ' N = int(inp[0]) N int(inp[0]) int inp[0] inp 0 K = int(inp[1]) K int(inp[1]) int inp[1] inp 1 cnt = 0 cnt 0 for i in range(1, N + 1, 2):
  cnt += 1 i range(1, N + 1, 2) range 1 N + 1 N 1 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 = 0 0 cnt K = int(inp[1]) int(inp[1]) K cnt += 1 1 cnt inp = input().split(' ') input().split(' ') inp N = int(inp[0]) int(inp[0]) N
inp = input().split(' ')

N = int(inp[0])
K = int(inp[1])
cnt = 0
for i in range(1, N + 1, 2):
  cnt += 1

if cnt >= K:
  print("YES")
else:
  print("NO")
