import sys

# sys.setrecursionlimit(200005)
int1 = lambda x: int(x)-1
pDB = lambda *x: print(*x, end="\n", file=sys.stderr)
p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr)
def II(): return int(sys.stdin.readline())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def LI1(): return list(map(int1, sys.stdin.readline().split()))
def LLI1(rows_number): return [LI1() for _ in range(rows_number)]
def SI(): return sys.stdin.readline().rstrip()

dij = [(0, 1), (-1, 0), (0, -1), (1, 0)]
# dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)]
inf = (1 << 63)-1
# inf = (1 << 31)-1
# md = 10**9+7
md = 998244353

h, w = LI()

if h == w == 3:
    print("Yes")
    print("1 5 3")
    print("9 8 7")
    print("4 2 6")

elif h & 1 and w & 1:
    print("No")

else:
    rot = False
    if w & 1:
        h, w = w, h
        rot = True

    aa = [[0]*w for _ in range(h)]
    a = 1
    for i in range(h):
        if i & 1:
            for j in range(0, w, 2)[::-1]:
                aa[i][j] = a
                a += 1
        else:
            for j in range(0, w, 2):
                aa[i][j] = a
                a += 1

    for i in range(h)[::-1]:
        if i & 1 == h & 1:
            for j in range(1, w, 2):
                aa[i][j] = a
                a += 1
        else:
            for j in range(1, w, 2)[::-1]:
                aa[i][j] = a
                a += 1

    if rot: aa = [col for col in zip(*aa)]

    print("Yes")
    for a in aa: print(*a)