use proconio::input;
use proconio::marker::Usize1;

fn main() {
    input! {
        n : usize,
        m : usize,
        k : usize,
        x : [Usize1; k],
        edges : [(Usize1, Usize1); m]
    }

    let mut g = vec![vec![]; n];
    for (u, v) in edges {
        g[u].push(v);
        g[v].push(u);
    }

    let mut dp = vec![vec![false; n]; 1 << k];
    for (i, &x) in x.iter().enumerate() { dp[1 << i][x] = true; }
    for (i, &x) in x.iter().enumerate() {
        for s in 0..1 << k {
            dp[s | (1 << i)][x] |= dp[s][x];
        }
    }


    let mut ok = false;

    for s in 0..1 << k {
        let mut t = s;
        while t > 0 {
            for i in 0..n {
                for &u in g[i].iter() {
                    for &v in g[i].iter() {
                        if dp[s ^ t][u] && dp[t][v] {
                            dp[s][i] = true;
                        }
                    }
                }
            }
            t = (t - 1) & s;
        }
    }

    // for i in 0..1 << k {
    //     eprintln!("{:03b} {:?}", i, dp[i]);
    // }

    ok |= dp[(1 << k) - 1].iter().any(|&a| a);
    println!("{}", if ok { "Yes" } else { "No" })
}