#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;
    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：メモリ確保失敗\n");    
		return 1;
}
 
	for(i = 0; i < a ; i++){
		mat[i] = (int*)malloc(sizeof(int)*b);
		if(mat[i] == NULL){
			printf("ERROR:目盛確保失敗\n");
			return 1;
		}
	}
	//ここで2次元配列に数値を代入する
	for(i=0 ; i < a ; i++){
		for(j=0 ; j<b ; j++){
			mat[i][j] = 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？
	//メモリの開放
	for(i=0; i<a ; i++){
		free(mat[i]);
	}
	free(mat);
    return 0;
}
 

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