#include<iostream>
using namespace std;
#define rep(i,n) for(int i=0;i<(n);++i)

int main(){
	int X,Y;
	cin>>X>>Y;
	cout<<X*Y<<" "<<X*Y<<endl;
	int now=X;
	rep(i,X){
		int p=i;
		rep(j,Y-1){
			cout<<p+1<<" "<<now+1<<endl;
			p=now;
			now++;
		}
		cout<<(i+1)<<" "<<(i+1)%X+1<<endl;
	}
}