import sys
input = lambda: sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
li = lambda: list(mi())
inf = 2 ** 63 - 1
mod = 10 ** 8

table = [True] * (10 ** 7 + 10)
table[0] = table[1] = False

for i in range(2, 10 ** 7 + 5):
    if table[i]:
        for j in range(2 * i, 10 ** 7 + 5, i):
            table[j] = False
p = []

for i in range(2, 10 ** 7 + 5):
    if table[i]:
        p.append(i)
def choose(n, r):
    if n < 0 or r < 0 or n < r:
        return 0
    if r > n // 2: r = n - r
    a = [n - i for i in range(n)]
    for i in range(r, n):
        a[i] = 0

    for v in p:
        if v > r:
            break
        q = v
        while q <= r:
            m = n % q
            i = m
            for j in range(r // q):
                a[i] //= v
                i += q
            q *= v
    mul = 1
    for i in range(r):
        mul = mul * a[i] % mod

    return mul

m = ii()
n = ii()

ans = str(choose(m, n))

ans = '0' * (8 - len(ans)) + ans

print(ans)