use std::collections::VecDeque;

macro_rules! get {
      ($t:ty) => {
          {
              let mut line: String = String::new();
              std::io::stdin().read_line(&mut line).unwrap();
              line.trim().parse::<$t>().unwrap()
          }
      };
      ($($t:ty),*) => {
          {
              let mut line: String = String::new();
              std::io::stdin().read_line(&mut line).unwrap();
              let mut iter = line.split_whitespace();
              (
                  $(iter.next().unwrap().parse::<$t>().unwrap(),)*
              )
          }
      };
      ($t:ty; $n:expr) => {
          (0..$n).map(|_|
              get!($t)
          ).collect::<Vec<_>>()
      };
      ($($t:ty),*; $n:expr) => {
          (0..$n).map(|_|
              get!($($t),*)
          ).collect::<Vec<_>>()
      };
      ($t:ty ;;) => {
          {
              let mut line: String = String::new();
              std::io::stdin().read_line(&mut line).unwrap();
              line.split_whitespace()
                  .map(|t| t.parse::<$t>().unwrap())
                  .collect::<Vec<_>>()
          }
      };
      ($t:ty ;; $n:expr) => {
          (0..$n).map(|_| get!($t ;;)).collect::<Vec<_>>()
      };
}

fn main() {
    let (height, width) = get!(usize, usize);

    let mut queue = VecDeque::new();

    for i in 0..(height * width) {
        queue.push_back(i + 1);
    }

    let mut matrix = vec![vec![0; width]; height];

    for row in 0..height {
        for col in 0..width {
            if (row + col) % 2 == 0 {
                matrix[row][col] = queue.pop_front().unwrap();
            } else {
                matrix[row][col] = queue.pop_back().unwrap();
            }
        }
    }

    let sum = matrix[0][0] + matrix[0][1] + matrix[1][0] + matrix[1][1];

    for row in 0..(height - 1) {
        for col in 0..(width - 1) {
            let mut s = 0;
            for dr in 0..2 {
                for dc in 0..2 {
                    s += matrix[row + dr][col + dc];
                }
            }

            if s != sum {
                println!("No");
                return;
            }
        }
    }

    println!("Yes");

    for row in 0..height {
        print!("{}", matrix[row][0]);

        for col in 1..width {
            print!(" {}", matrix[row][col]);
        }

        println!();
    }
}