#include<iostream>

using namespace std;

int main() {
	int n, m;
	cin >> n >> m;
	int ** mas = new int *[n];
	for (int i = 0; i < n;++i)
		mas[i] = new int[m];


	int s = 1;
	for (int j0 = 0; j0 < m; ++j0) {
		int i = 0, j = j0;
		mas[i][j] = s;
		++s;
		while (i <= n - 1 && j >= 0) {
			++i;
			--j;
			mas[i][j] = s++;
		}
	}

	for (int i0 = 1; i0 < n;++i0) {
		int i = i0, j = 1;
		mas[i][j] = s;
		++s;
		while (i <= n - 1 && j >= 1) {
			++i;
			--j;
			mas[i][j] = s++;
		}
	}

	for (int k = 0; k < n;++k) {
		for (int p = 0; p < m;++p)
			cout << mas[k][p]<<" ";
		cout<<endl;
	}

	system("pause");
	return 0;
}