#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(sizeof(int *) * a);
 
	for(i = 0; i < a; i++){
		mat[i] = (int *)malloc(sizeof(int) * b);
	}
 
	//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] = i + j;
		}
	}
 
    //以下の部分は表示の部分です
    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;
}
 

I2luY2x1ZGUgPHN0ZGlvLmg+CiNpbmNsdWRlIDxzdGRsaWIuaD4KCi8v5b+F6KaB44GM44GC44KM44Gw5aSJ5pWw44Gq44Gp44KS6L+95Yqg44GX44Gm44KCT0vjgafjgZkKCmludCBtYWluKCl7CiAgICBpbnQgaSxqLGs7CiAgICBpbnQgYSxiOwogICAgaW50ICoqbWF0OwogICAgc2NhbmYoIiVkICVkIiwmYSwmYik7CgoJLy/jgZPjgZPjgacy5qyh5YWD6YWN5YiX44Gu5YuV55qE56K65L+d44KS44GZ44KLCgltYXQgPSAoaW50ICoqKW1hbGxvYyhzaXplb2YoaW50ICopICogYSk7CgkKCWZvcihpID0gMDsgaSA8IGE7IGkrKyl7CgkJbWF0W2ldID0gKGludCAqKW1hbGxvYyhzaXplb2YoaW50KSAqIGIpOwoJfQogICAgCgkvL+OBk+OBk+OBpzLmrKHlhYPphY3liJfjgavmlbDlgKTjgpLku6PlhaXjgZnjgosKCWZvcihpID0gMDsgaSA8IGE7IGkrKyl7CgkJZm9yKGogPSAwOyBqIDwgYjsgaisrKXsKCQltYXRbaV1bal0gPSBpICsgajsKCQl9Cgl9CiAgICAKICAgIC8v5Lul5LiL44Gu6YOo5YiG44Gv6KGo56S644Gu6YOo5YiG44Gn44GZCiAgICBmb3IoaT0wO2k8YTtpKyspewogICAgICAgIGZvcihqPTA7ajxiO2orKyl7CiAgICAgICAgICAgIHByaW50ZigiJWQgIixtYXRbaV1bal0pOwogICAgICAgIH0KICAgICAgICBwcmludGYoIlxuIik7CiAgICB9CiAgICAKICAgIC8v44GV44Gm77yM5pyA5b6M44Gr5b+Y44KM44Ga44Gr44GZ44KL44GT44Go44Go6KiA44GI44Gw77yfCmZvcihpID0gMDsgaSA8IGE7IGkrKyl7CglmcmVlKG1hdFtpXSk7Cn0KZnJlZShtYXQpOwogICAgcmV0dXJuIDA7Cn0K

MiAzCg==

2 3