use std::io::*;
use std::str::FromStr;

fn calc(n: i32) -> i32 {
    let mut ret = 0;

    for t in 0..100 {
        for c in 0..100 {
            for p in 0..100 {
                if t * 5 + c * 2 + p * 3 == n && t >= c {
                    ret += 1;
                }
            }
        }
    }

    ret
}

fn main() {
    let mut s = String::new();
    stdin().read_line(&mut s).ok();
    let mut it = s.split_whitespace().map(|n| i32::from_str(n).unwrap());
    let n = it.next().unwrap();

    println!("{}", calc(n));
}