MOD=10**8

M=int(input())
N=int(input())

if N>M:
	print("0"*8)
	exit()

ansnume=1
ansdeno=1
p2=0
p5=0
for i in range(N):
	nume=M-i
	deno=i+1
	while nume%2==0:
		nume//=2
		p2+=1
	while nume%5==0:
		nume//=5
		p5+=1
	while deno%2==0:
		deno//=2
		p2-=1
	while deno%5==0:
		deno//=5
		p5-=1
	ansnume=ansnume*nume%MOD
	ansdeno=ansdeno*deno%MOD

print(f"{ansnume*pow(ansdeno,-1,MOD)*pow(2,p2,MOD)*pow(5,p5,MOD)%MOD:08d}")