package main

import . "fmt"

func main() {
	var x,y int
	Scan(&x,&y)
	Println(x*y,x*y)
	for i:=0; i< x; i++ {
		p:=i*y+1
		for j:=0;j<y-1;j++ {
			Println(p+j,p+j+1)
		}
		Println(p,(i+1)%x*y+1)
	}
}