pub mod scanner { pub struct Scanner { buf: Vec, } impl Scanner { pub fn new() -> Self { Self { buf: vec![] } } pub fn new_from(source: &str) -> Self { let source = String::from(source); let buf = Self::split(source); Self { buf } } pub fn next(&mut self) -> T { loop { if let Some(x) = self.buf.pop() { return x.parse().ok().expect(""); } let mut source = String::new(); std::io::stdin().read_line(&mut source).expect(""); self.buf = Self::split(source); } } fn split(source: String) -> Vec { source .split_whitespace() .rev() .map(String::from) .collect::>() } } } use crate::scanner::Scanner; use std::io::Write; fn main() { let mut scanner = Scanner::new(); let out = std::io::stdout(); let mut out = std::io::BufWriter::new(out.lock()); let t: usize = 1; for _ in 0..t { solve(&mut scanner, &mut out); } } fn solve(scanner: &mut Scanner, out: &mut std::io::BufWriter) { let x = scanner.next::(); let mut pow = vec![0usize; 301]; for i in 1..=300 { pow[i] = i * i * i; } let mut sums = vec![vec![]; 301]; for d in (0..=300).rev() { for e in d..=300 { for f in e..=300 { let s = pow[d] + pow[e] + pow[f]; sums[d].push(s); } } } let mut count = vec![0; 300 * 300 * 300 * 3 + 1]; let mut ans: usize = 0; for c in (0..=300).rev() { for s in &sums[c] { count[*s] += 1; } for b in (0..=c).rev() { for a in (0..=b).rev() { let y = pow[a] + pow[b] + pow[c]; if y <= x { ans += count[x - y]; } } } } writeln!(out, "{}", ans).unwrap(); }