#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;
    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 *)); // 行の配列を確保
    for(i = 0; i < a; i++) {
        mat[i] = (int *)malloc(b * sizeof(int)); // 各行に列分の配列を確保
    }
	//ここで2次元配列に数値を代入する
	for(i = 0; i < a; i++){
        for(j = 1; j < b; j++){
            mat[i][j] = i * b + j; // 任意の数値。ここでは行ごとに連番
        }
    }
    //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(k=0;k<a;k++) {
        free(mat[k]); // 各行の配列を解放
    }
    free(mat);
 
    return 0;
}
 

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