fn run() {
    input! {
        m: usize,
        n: usize,
    }
    if m < n {
        println!("00000000");
        return;
    }
    const MOD: usize = 10usize.pow(8);
    let mut c = [0; 2];
    let mut nu = 1;
    let mut de = 1;
    for i in 0..n.min(m - n) {
        let mut v = m - i;
        for (c, p) in c.iter_mut().zip([2, 5].iter()) {
            while v % *p == 0 {
                v /= *p;
                *c += 1;
            }
        }
        nu = nu * v % MOD;
        let mut v = i + 1;
        for (c, p) in c.iter_mut().zip([2, 5].iter()) {
            while v % *p == 0 {
                v /= *p;
                *c -= 1;
            }
        }
        de = de * v % MOD;
    }
    let mut t = 1;
    let mut r = de;
    let mut k = MOD / 10 * 4 - 1;
    while k > 0 {
        if k & 1 == 1 {
            t = t * r % MOD;
        }
        r = r * r % MOD;
        k >>= 1;
    }
    assert!(t * de % MOD == 1);
    let mut ans = t * nu % MOD;
    for (c, p) in c.iter().zip([2, 5].iter()) {
        for _ in 0..*c {
            ans = ans * *p % MOD;
        }
    }
    println!("{:08}", ans);
}

fn main() {
    run();
}

// ---------- begin input macro ----------
// reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
#[macro_export]
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
    ($($r:tt)*) => {
        let s = {
            use std::io::Read;
            let mut s = String::new();
            std::io::stdin().read_to_string(&mut s).unwrap();
            s
        };
        let mut iter = s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
}

#[macro_export]
macro_rules! input_inner {
    ($iter:expr) => {};
    ($iter:expr, ) => {};
    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($iter, $t);
        input_inner!{$iter $($r)*}
    };
}

#[macro_export]
macro_rules! read_value {
    ($iter:expr, ( $($t:tt),* )) => {
        ( $(read_value!($iter, $t)),* )
    };
    ($iter:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()
    };
    ($iter:expr, chars) => {
        read_value!($iter, String).chars().collect::<Vec<char>>()
    };
    ($iter:expr, bytes) => {
        read_value!($iter, String).bytes().collect::<Vec<u8>>()
    };
    ($iter:expr, usize1) => {
        read_value!($iter, usize) - 1
    };
    ($iter:expr, $t:ty) => {
        $iter.next().unwrap().parse::<$t>().expect("Parse error")
    };
}
// ---------- end input macro ----------