#![allow(non_snake_case)]
#![allow(unused_imports)]
#![allow(unused_macros)]
#![allow(clippy::needless_range_loop)]
#![allow(clippy::comparison_chain)]
#![allow(clippy::nonminimal_bool)]
#![allow(clippy::neg_multiply)]
#![allow(dead_code)]
// use itertools::Itertools;
use std::cmp::Reverse;
use std::collections::{BTreeMap, BTreeSet, BinaryHeap, VecDeque};
// use superslice::Ext;
// use bitset_fixed::BitSet;

use proconio::{
    input,
    marker::{Chars, Usize1},
};

#[derive(Default)]
struct Solver {}
impl Solver {
    // #[fastout]
    fn solve(&mut self) {
        input! {
            N: usize,
            M: usize,
            X: usize,
            UVCT: [(Usize1, Usize1, usize, usize); M]
        }
    }
}

fn main() {
    std::thread::Builder::new()
        .stack_size(128 * 1024 * 1024)
        .spawn(|| Solver::default().solve())
        .unwrap()
        .join()
        .unwrap();
}