#include <stdio.h>
#include <stdlib.h>
 
//必要があれば変数などを追加してもOKです
 
int main(){
    int i,j,k;
    k=1;
    int a,b;
    int **mat;
    scanf("%d %d",&a,&b);
   mat=(int**)malloc(sizeof(int*)*a);
   if(mat==NULL)
   printf("ERROR\n");
   for(i=0;i<a;i++){
   	mat[i]=(int*)malloc(sizeof(int)*b);
   	if(mat[i]==NULL)
   	printf("ERROR\n");
   }
 
   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？
    for(i = 0; i < a; i++){
    free(mat[i]);
}
free(mat);
 
 
    return 0;
}
 

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