54

n, m = map(int, input().split())
c, l = 1, 0
a = [[0 for _ in range(m)] for _ in range(n)]
for i in range(m + n-1):
    for j in range(n):
        if ((i-j) > -1) and ((i-j) < m):
            a[j][i-j] += c
            l += 1
            c += 1
    l = 0
for o in a:
    for q in o:
        print(str(q).rjust(4), end = '')
    print()