import sys
input = sys.stdin.readline

# エラトステネスの篩を用いた素因数分解・約数列挙
MAX=3*10**5+10 # 使いたい最大値を指定

# Sieve[i]で、iの最も小さい1でない約数を返す。
Sieve=[i for i in range(MAX)]

for i in range(2,MAX):
    if Sieve[i]!=i:
        continue
    
    for j in range(i,MAX,i):
        if Sieve[j]==j:
            Sieve[j]=i


# 素因数分解
def fact(x):
    D=dict()
    while x!=1:
        k=Sieve[x]
        if k in D:
            D[k]+=1
        else:
            D[k]=1
        x//=k
    return D

# 約数列挙
def faclist(x):
    LIST=[1]
    while x!=1:
        k=Sieve[x]
        count=0
        while x%k==0:
            count+=1
            x//=k

        LIST2=[]
        for l in LIST:
            for i in range(1,count+1):
                LIST2.append(l*k**i)
        LIST+=LIST2

    return LIST


H,W=list(map(int,input().split()))

flag=0
if H<W:
    flag=1
    H,W=W,H

F=fact(H*W)
FLIST=faclist(H*W)

FLIST.sort()
A=list(range(1,H*W+1))
LIST=[[] for i in range(len(FLIST)+1)]

for i in range(len(FLIST)-1,-1,-1):
        x=FLIST[i]
        LIST1=[]
        B=[]
        for a in A:
            if a%x==0:
                LIST1.append(a)
            else:
                B.append(a)
        LIST[i]=(LIST1)
        A=B

need=0
for i in range(1,len(LIST)):
    need+=(len(LIST[i])+W-1)//W


if H>=need+len(LIST)-1:
    F=fact(H*W)

    NOW=[1]
    for f in F:
        k=F[f]

        X=[1]
        for i in range(k):
            X.append(X[-1]*f)

        X.reverse()

        NOW2=[]

        for x in X:
            L=[]
            for a in NOW:
                L.append(a*x)
            L.reverse()
            NOW2.append(L)

        NOW2.reverse()

        NOW=[]

        for x in NOW2:
            NOW+=x

        #print(NOW)

    NOW.reverse()

    D={FLIST[i]:i for i in range(len(FLIST))}

    ANS=[[0]*W for i in range(H)]

    height=0
    for c in NOW:
        w=0
        L=D[c]
        if c==1:
            height+=1
            continue
        #print("!",LIST[L])
        for x in LIST[L]:
            if ANS[height][w]!=0:
                height+=1
            ANS[height][w]=x
            w+=1
            if w==W:
                w=0
        height+=2

    ind=0

    for i in range(H):
        for j in range(W):
            if ANS[i][j]==0:
                ANS[i][j]=LIST[0][ind]
                ind+=1

    if flag:
        ANS2=[[0]*H for i in range(W)]

        for i in range(W):
            for j in range(H):
                ANS2[i][j]=ANS[j][i]

        ANS=ANS2

    for ans in ANS:
        print(*ans)

elif H>=need:
    F=fact(H*W)

    NOW=[1]
    for f in F:
        k=F[f]

        X=[1]
        for i in range(k):
            X.append(X[-1]*f)

        X.reverse()

        NOW2=[]

        for x in X:
            L=[]
            for a in NOW:
                L.append(a*x)
            L.reverse()
            NOW2.append(L)

        NOW2.reverse()

        NOW=[]

        for x in NOW2:
            NOW+=x

        #print(NOW)

    NOW.reverse()

    D={FLIST[i]:i for i in range(len(FLIST))}

    ANS=[[0]*W for i in range(H)]

    height=0
    for c in NOW:
        w=0
        L=D[c]
        if c==1:
            height+=1
            continue
        #print("!",LIST[L])
        for x in LIST[L]:
            if ANS[height][w]!=0:
                height+=1
            ANS[height][w]=x
            w+=1
            if w==W:
                w=0

    ind=0

    for i in range(H):
        for j in range(W):
            if ANS[i][j]==0:
                ANS[i][j]=LIST[0][ind]
                ind+=1

    if flag:
        ANS2=[[0]*H for i in range(W)]

        for i in range(W):
            for j in range(H):
                ANS2[i][j]=ANS[j][i]

        ANS=ANS2

    for ans in ANS:
        print(*ans)
else:
    a=H*W
    P=[]

    for i in range(2,H*W+1):
        if a%i==0:
            P.append(i)
            while a%i==0:
                a//=i

    P.sort(reverse=True)

    A=list(range(1,H*W+1))
    LIST=[]
    for i in range(len(P)):
        if i+1<len(P):
            x=P[i]
            y=P[i+1]

            LIST1=[]
            LIST2=[]
            B=[]

            for a in A:
                if a%(x*y)==0:
                    LIST2.append(a)
                elif a%x==0:
                    LIST1.append(a)
                else:
                    B.append(a)

            A=B
            LIST.append(LIST1)
            LIST.append(LIST2)
        else:
            x=P[i]
            LIST1=[]
            B=[]
            for a in A:
                if a%x==0:
                    LIST1.append(a)
                else:
                    B.append(a)
            LIST.append(LIST1)
            A=B

    ANS=[[0]*W for i in range(H)]

    height=0
    for L in LIST:
        w=0
        for x in L:
            if ANS[height][w]!=0:
                height+=1
            ANS[height][w]=x
            w+=1
            if w==W:
                w=0

    ind=0

    for i in range(H):
        for j in range(W):
            if ANS[i][j]==0:
                ANS[i][j]=A[ind]
                ind+=1

    if flag:
        ANS2=[[0]*H for i in range(W)]

        for i in range(W):
            for j in range(H):
                ANS2[i][j]=ANS[j][i]

        ANS=ANS2

    for ans in ANS:
        print(*ans)