fn main() {
    input! {
        n: usize,
        m: usize,
        k: usize,
    }
    if let Some(ans) = solve(n, m, k) {
        println!("Yes");
        for (a, b) in ans {
            println!("{} {}",a + 1, b + 1);
        }
    } else {
        println!("No");
    }
}

// 密をどこかのレイヤに作るのがいい？

fn solve(n: usize, m: usize, k: usize) -> Option<Vec<(usize, usize)>> {
    let rem = n * (n - 1) / 2 - m;
    let mut layer = vec![vec![]; k + 1];
    layer[0].push(0);
    layer[k].push(n - 1);
    for i in 1..k {
        layer[i].push(i);
    }
    for i in k..(n - 1) {
        layer[1].push(i);
    }
    let mut edge = vec![];
    for i in 1..=k {
        edge.push((layer[i - 1][0], layer[i][0]));
    }
    if edge.len() > rem {
        return None;
    }
    for i in 1..=k {
        for (j, y) in layer[i].iter().enumerate() {
            for (i, x) in layer[i - 1].iter().enumerate() {
                if (i, j) == (0, 0) {
                    continue;
                }
                edge.push((*x, *y));
            }
            for x in layer[i].iter().take(j) {
                edge.push((*x, *y));
            }
        }
    }
    if edge.len() < rem {
        return None;
    }
    edge.truncate(rem);
    let mut g = vec![vec![false; n]; n];
    for (a, b) in edge {
        g[a][b] = true;
        g[b][a] = true;
    }
    let mut del = vec![];
    for i in 0..n {
        for j in 0..i {
            if !g[j][i] {
                del.push((j, i));
            }
        }
    }
    assert!(del.len() == m);
    Some(del)
}

// ---------- begin input macro ----------
// reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
#[macro_export]
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
    ($($r:tt)*) => {
        let s = {
            use std::io::Read;
            let mut s = String::new();
            std::io::stdin().read_to_string(&mut s).unwrap();
            s
        };
        let mut iter = s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
}

#[macro_export]
macro_rules! input_inner {
    ($iter:expr) => {};
    ($iter:expr, ) => {};
    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($iter, $t);
        input_inner!{$iter $($r)*}
    };
}

#[macro_export]
macro_rules! read_value {
    ($iter:expr, ( $($t:tt),* )) => {
        ( $(read_value!($iter, $t)),* )
    };
    ($iter:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()
    };
    ($iter:expr, chars) => {
        read_value!($iter, String).chars().collect::<Vec<char>>()
    };
    ($iter:expr, bytes) => {
        read_value!($iter, String).bytes().collect::<Vec<u8>>()
    };
    ($iter:expr, usize1) => {
        read_value!($iter, usize) - 1
    };
    ($iter:expr, $t:ty) => {
        $iter.next().unwrap().parse::<$t>().expect("Parse error")
    };
}
// ---------- end input macro ----------