use itertools::Itertools;
use proconio::input;
fn main() {
    input!{
        x: usize,
        y: usize
    }
    let n = x*y;
    let m = x*y;
    println!("{} {}",n,m);
    let mut ans = vec![];
    for i in 1..x{
        ans.push((i,i+1))
    }
    if x != 1{
        ans.push((x,1))
    }
    for i in 1..=x{
        for j in 0..y-1{
            ans.push((i+x*j,i+x*(j+1)))
        }
    }
    println!("{}",ans.iter().map(|(i,j)| format!("{} {}",i,j)).join("\n"))
}