#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=1,e,f,z;
    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(a*sizeof(int*));      //一次元の配列
	for (i=0;i<a;i++){
		mat[i]=(int*)malloc(b*sizeof(int));
		}	                                                    //上の配列がくっついた一次元の配列
 
	//ここで2次元配列に数値を代入する
	for(e = 0;e < a;e++){
		for(f = 0;f < b;f++){
			mat[e][f]=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(z = 0;z < a;z++){
		free(mat[z]);
		}
	free(mat);
 
    return 0;
}
 

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