Just Solve It

n,k = map(int, input().split())
if n % 2 == 1 and k >= 3:
	print("YES")
elif n % 2 == 0 and k >= 2:
	print("YES")
else:
	print("NO")
	

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED