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