fn run() {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).unwrap();
    let n: i64 = s.trim().parse().unwrap();
    let mut d = vec![];
    let mut p = n;
    while p > 0 {
        d.push(p % 5);
        p /= 5;
    }
    d.push(0);
    // 差分、carry, small = way
    type Map = std::collections::BTreeMap<(i64, bool, bool), i64>;
    let mut dp = Map::new();
    dp.insert((0, false, true), 1);
    for &d in d.iter() {
        let mut next = Map::new();
        for ((diff, carry, small), cnt) in dp {
            for i in 0..5i64 {
                let v = i + carry as i64;
                let diff = if v < 3 {
                    diff + v
                } else {
                    diff - (5 - v)
                };
                let carry = v >= 3;
                let small = i < d || (i == d && small);
                *next.entry((diff, carry, small)).or_insert(0) += cnt;
            }
        }
        dp = next;
    }
    let mut ans = -1;
    for ((diff, carry, small), cnt) in dp {
        if diff == 0 && !carry && small {
            ans += cnt;
        }
    }
    println!("{}", ans);
}

fn main() {
    run();
}