macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        let mut next = || { iter.next().unwrap() };
        input_inner!{next, $($r)*}
    };
    ($($r:tt)*) => {
        let stdin = std::io::stdin();
        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
        let mut next = move || -> String{
            bytes
                .by_ref()
                .map(|r|r.unwrap() as char)
                .skip_while(|c|c.is_whitespace())
                .take_while(|c|!c.is_whitespace())
                .collect()
        };
        input_inner!{next, $($r)*}
    };
}
macro_rules! input_inner {
    ($next:expr) => {};
    ($next:expr, ) => {};

    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($next, $t);
        input_inner!{$next $($r)*}
    };
}
macro_rules! read_value {
    ($next:expr, ( $($t:tt),* )) => {
        ( $(read_value!($next, $t)),* )
    };

    ($next:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
    };

    ($next:expr, chars) => {
        read_value!($next, String).chars().collect::<Vec<char>>()
    };

    ($next:expr, usize1) => {
        read_value!($next, usize) - 1
    };

    ($next:expr, $t:ty) => {
        $next().parse::<$t>().expect("Parse error")
    };
}

#[derive(Debug)]
pub struct UnionFind {
    parents: Vec<usize>,
    rank: Vec<usize>,
}
impl UnionFind {
    pub fn new(n: usize) -> Self {
        let mut parents: Vec<usize> = Vec::with_capacity(n);
        for i in 0..n {
            parents.push(i);
        }
        let rank = vec![1; n];
        UnionFind {
            parents: parents,
            rank: rank,
        }
    }
    pub fn find(&mut self, x: usize) -> usize {
        if self.parents[x] == x {
            x
        } else {
            let par = self.parents[x];
            let root = self.find(par);
            self.parents[x] = root;
            root
        }
    }
    // union x and y
    pub fn union(&mut self, x: usize, y: usize) {
        let x_root = self.find(x);
        let y_root = self.find(y);
        // if x_root == y_root, do nothing
        if x_root == y_root { return (); }
        if self.rank[x_root] > self.rank[y_root] {
            // x <--- y
            self.parents[y_root] = x_root;
        } else {
            // y <--- x
            self.parents[x_root] = y_root;
            if self.rank[x_root] == self.rank[y_root] {
                self.rank[y_root] += 1;
            }
        }
    }
}

use std::collections::HashMap;
fn main() {
    input!{
        n: usize,
        k: usize,
        l: usize,
        r: [[usize; 2]; k],
        s: [[usize; 2]; l],
    };
    let mut uf_load = UnionFind::new(n);
    let mut uf_train = UnionFind::new(n);
    for re in r {
        uf_load.union(re[0]-1, re[1]-1);
    }
    for se in s {
        uf_train.union(se[0]-1, se[1]-1);
    }

    let mut hash_map: HashMap<(usize, usize), usize> = HashMap::with_capacity(n);
    let mut table: Vec<(usize, usize)> = Vec::with_capacity(n);
    for city in 0..n {
        let uf = (uf_load.find(city), uf_train.find(city));
        table.push(uf);
        let entry = hash_map.entry(uf).or_insert(0);
        *entry += 1;
    }
    for (i, t) in table.iter().enumerate() {
        if i != n-1 {
            print!("{} ", hash_map.get(t).unwrap());
        } else {
            print!("{}\n", hash_map.get(t).unwrap());
        }
    }
}



Measured memory_bytes: 26524