function Main(INPUT){
  const input=INPUT.split("\n");
  const [X,Y]=input[0].split(" ").map(_=>parseInt(_));
  const [n,m]=[X*Y,X*Y];
  const edge=[];
  for(let i=0;i<X;i++){
    edge.push([i,(i+1)%X]);
  }
  for(let i=X;i<n;i++){
    edge.push([i,i-X]);
  }

  console.log([n,m].join(" "));
  edge.forEach(v=>console.log(v.map(i=>i+1).join(" ")));
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));