N, K = map(int, input().split())

print("YES" if 2*K-1 <= N  else "NO") N, K = map(int, input().split()) N map(int, input().split()) map int input().split() ().split () input split K print("YES" if 2*K-1 <= N  else "NO") print "YES" if 2*K-1 <= N  else "NO" 2*K-1 <= N 2*K-1 2*K 2 K 1 N "YES" "NO" N, K = map(int, input().split()) map(int, input().split()) N K = map(int, input().split()) map(int, input().split()) K
N, K = map(int, input().split())

print("YES" if 2*K-1 <= N  else "NO")