use proconio::input;

fn main() {
    input! {
        x: usize,
        y: usize,
    }

    let n = x * y;
    println!("{n} {n}");

    for i in 0..x {
        println!("{} {}", 1 + i * y, 1 + (i + 1) % x * y);
    }

    for i in 0..x {
        for j in 1..y {
            println!("{} {}", 1 + i * y + (j - 1), 1 + i * y + j);
        }
    }
}