#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,l,m,s;
    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);
		for(s=0;s<a;s++){
	mat[s] = (int*)malloc(sizeof(int)*b);
	}
 
 
	//ここで2次元配列に数値を代入する
	m=1;
	for(k=0;k<a;k++){
        for(l=0;l<b;l++){
            mat[k][l] = m++; 
        }
    }
 
    //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？
	free(mat);
 
    return 0;
}
 

I2luY2x1ZGUgPHN0ZGlvLmg+CiNpbmNsdWRlIDxzdGRsaWIuaD4KCi8v5b+F6KaB44GM44GC44KM44Gw5aSJ5pWw44Gq44Gp44KS6L+95Yqg44GX44Gm44KCT0vjgafjgZkKCmludCBtYWluKCl7CiAgICBpbnQgaSxqLGssbCxtLHM7CiAgICBpbnQgYSxiOwogICAgaW50ICoqbWF0OwogICAgc2NhbmYoIiVkICVkIiwmYSwmYik7CgoJLy/jgZPjgZPjgacy5qyh5YWD6YWN5YiX44Gu5YuV55qE56K65L+d44KS44GZ44KLCiAgCgltYXQgPSAoaW50KiopbWFsbG9jKHNpemVvZihpbnQpKmEpOwoJCWZvcihzPTA7czxhO3MrKyl7CgltYXRbc10gPSAoaW50KiltYWxsb2Moc2l6ZW9mKGludCkqYik7Cgl9CgkKICAgIAoJLy/jgZPjgZPjgacy5qyh5YWD6YWN5YiX44Gr5pWw5YCk44KS5Luj5YWl44GZ44KLCgltPTE7Cglmb3Ioaz0wO2s8YTtrKyspewogICAgICAgIGZvcihsPTA7bDxiO2wrKyl7CiAgICAgICAgICAgIG1hdFtrXVtsXSA9IG0rKzsgCiAgICAgICAgfQogICAgfQogICAgCiAgICAvL+S7peS4i+OBrumDqOWIhuOBr+ihqOekuuOBrumDqOWIhuOBp+OBmQogICAgLy/jgYTjgZjjgonjgarjgY/jgaZPSwogICAgZm9yKGk9MDtpPGE7aSsrKXsKICAgICAgICBmb3Ioaj0wO2o8YjtqKyspewogICAgICAgICAgICBwcmludGYoIiVkICIsbWF0W2ldW2pdKTsKICAgICAgICB9CiAgICAgICAgcHJpbnRmKCJcbiIpOwogICAgfQogICAgCiAgICAvL+OBleOBpu+8jOacgOW+jOOBq+W/mOOCjOOBmuOBq+OBmeOCi+OBk+OBqOOBqOiogOOBiOOBsO+8nwoJZnJlZShtYXQpOwoKICAgIHJldHVybiAwOwp9Cg==

NAo1Cg==

4
5