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