#include<bits/stdc++.h>
using namespace std;
const int N = 15,M = 15;
int mat[N][M];
int n,m,cou = 1;
void dfs(int x,int y){
	mat[x][y] = cou;
	cou++;
	int dx[4] = {0,1,0,-1};
	int dy[4] = {1,0,-1,0};
	for(int i = 0;i < 4;i++){
		int tx = x + dx[i];
		int ty = y + dy[i];
		if(tx < 1 || tx > n || ty < 1 || ty > m) continue;
		if(mat[tx][ty] != 0) continue;
		dfs(tx,ty);
	}
}
int main(){
    cin >> n >> m;
	dfs(1,1);
	for(int i = 1;i <= n;i++){
		for(int j = 1;j <= m;j++){
			printf("%3d",mat[i][j]);
		}
		cout << endl;
	}
	return 0;
}