n, k = map(int, input().split())
odd = (n + 1) // 2
print('YES' if odd >= k else 'NO') n, k = map(int, input().split()) n map(int, input().split()) map int input().split() ().split () input split k odd = (n + 1) // 2 odd (n + 1) // 2 n + 1 n 1 2 print('YES' if odd >= k else 'NO') print 'YES' if odd >= k else 'NO' odd >= k odd k 'YES' 'NO' n, k = map(int, input().split()) map(int, input().split()) n k = map(int, input().split()) map(int, input().split()) k odd = (n + 1) // 2 (n + 1) // 2 odd
n, k = map(int, input().split())
odd = (n + 1) // 2
print('YES' if odd >= k else 'NO')
