use std::task::Context;


fn main() {
    let mut nkx = String::new();
    std::io::stdin().read_line(&mut nkx).ok();
    let nkx: Vec<usize> = nkx.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let n = nkx[0];
    let k = nkx[1];
    let x = nkx[2];
    let fronts = (0..x).map(|i| {
            let mut temp = String::new();
            std::io::stdin().read_line(&mut temp).ok();
            if i < x-1 {
                let temp: Vec<usize> = temp.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
                (temp[0]-1, temp[1]-1)
            } else {
                (0, 0)
            }
        })
        .collect::<Vec<_>>();
    let mut backs = (x..k).map(|_| {
            let mut temp = String::new();
            std::io::stdin().read_line(&mut temp).ok();
            let temp: Vec<usize> = temp.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
            (temp[0]-1, temp[1]-1)
        })
        .collect::<Vec<_>>();
    let mut c = String::new();
    std::io::stdin().read_line(&mut c).ok();
    let mut ends: Vec<usize> = c.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();

    let mut starts = (1..=n).collect::<Vec<_>>();
    for &(a, b) in fronts.iter() {
        starts.swap(a, b);
    }
    backs.reverse();
    for &(a, b) in backs.iter() {
        ends.swap(a, b)
    }
    let mut result = vec![];
    for i in 0..n {
        if starts[i] != ends[i] {
            result.push(i+1);
        }
    }
    println!("{} {}", result[0], result[1]);
}