#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);
 
mat = (int **)malloc(a * sizeof(int *));
for(i = 0; i < a; i++){
mat[i] = (int *)malloc(b * sizeof(int));
}
 
int num = 1;
for(i = 0; i < a; i++){
for(j = 0; j < b; j++){
mat[i][j] = num++;
}
}
 
    //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(i = 0; i < a; i++){
free(mat[i]);
}
free(mat);
 
    return 0;
}
 

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