#include<stdio.h>
#include<stdlib.h>

int main(){

    //matrix construction
    int n,m;
    scanf("%d %d", &n, &m);
    int **matrix = malloc(sizeof(int*) * n);
    for (int i = 0; i < n; i++)
        matrix[i] = malloc(sizeof(int) * m);

    //filling matrix with 0
    for (int i = 0; i < n; i++)
        for (int j = 0; j < m; j++)
            matrix[i][j] = 0;

    //count for filling up the matrix
    int count = 1;

    //Fill upper left part
    for(int j = 0; j < m; j++)
    {
        int column = j;
        for(int row = 0; column >= 0; column--)
        {
            matrix[row][column] = count++;
            row++;
        }
    }

    //Fill bottom right part
    for(int i = 1; i < n; i++)
    {
        int row = i;
        for(int column = n-1; row < n; row++)
        {
            matrix[row][column] = count++;
            column--;
        }
    }

    //Printing matrix
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < m; j++)
            printf(" %d", matrix[i][j]);
        printf("\n");
    }

    return 0;
}