def factorial(x):
	retval = 1
	for i in range(2,x+1):
		retval = retval * i
	return retval

def nCr(n,r):
	return factorial(n)/ factorial(n-r)/factorial(r) %10**9

n = int(input())

m = int(input())

rest = (n%(1000*m))
print nCr(m,(rest - (rest%1000))/1000)