#include <stdio.h>
#include <stdlib.h>
 
int main(){
	int i,j,k;
	int a,b;
	int **mat;
	scanf("%d %d",&a,&b);
 
    //ここで2次元配列の動的確保をする
	mat = (int **)malloc(sizeof(int *) * a);
	if(mat == NULL){
		printf("ERROR\n");
		return 0;
	}
 
	for(i=0;i<a;i++){
		mat[i] = (int *)malloc(sizeof(int) * b);
		if(mat[i] == NULL){
			printf("ERROR\n");
			return 0;
		}
	}
    //ここで2次元配列に数値を代入する
	k = 1;
	for(i=0;i<a;i++){
		for(j=0;j<b;j++){
			mat[i][j] = k;
			k++;
		}
	}
    //以下の部分は表示の部分です
    //いじらなくてOK
    for(i=0;i<a;i++){
        for(j=0;j<b;j++){
            printf("%d ",mat[i][j]);
        }
        printf("\n");
    }
 
    //さて，最後に忘れずにすることと言えば？
    // 確保した領域をfree関数で解放する
    for(i=0;i<a;i++){
        free(mat[i]);
    }
    free(mat);
 
    return 0;
}

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