#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001




int main(){
	int h,w;
	cin>>h>>w;
	
	if(h==2&&w==2){
		cout<<"Yes"<<endl;
		cout<<"1 3"<<endl;
		cout<<"2 4"<<endl;
		return 0;
	}
	/*
	if(h%2==0&&w%2==0){
		cout<<"No"<<endl;
		return 0;
	}
	*/
	
	vector a(h,vector<int> (w));
	rep(i,w)a[0][i] = i;
	
	for(int i=1;i<h;i++){
		a[i] = a[0];
		if(i%2==1)reverse(a[i].begin(),a[i].end());
	}
	
	rep(i,w){
		rep(j,h){
			if(i%2==0){
				a[j][i] += j*w;
			}
			else{
				a[h-1-j][i] += j*w;
			}
		}
	}
	cout<<"Yes"<<endl;
	rep(i,h){
		rep(j,w){
			if(j!=0)cout<<' ';
			cout<<a[i][j]+1;
		}
		cout<<endl;
	}
	set<int> s;
	rep(i,h){
		rep(j,w){
			s.insert(a[i][j]);
		}
	}
	
	//cout<<s.size()<<endl;
	
	return 0;
}