2024 08 21

# n=int(input())

# arr=[]

# for i in range(n):

# a=[0]*n

# arr.append(a)

#

# k=1

# # range(n) : 0 ~ n-1 -> n-1 ~0 range(n-1,-1,-1)

# for i in range(n) :

# for j in range(n-1,-1,-1) :

# arr[i][j]=k

# k+=1

#

# for i in range(n) :

# for j in range(n) :

# print(arr[i][j],end=' ')

# print()

# n=int(input())

# arr=[]

# for i in range(n):

# a=[0]*n

# arr.append(a)

#

# k=1

# for j in range(n) :

# for i in range(n) :

# arr[i][j]=k

# k+=1

#

# for i in range(n) :

# for j in range(n) :

# print(arr[i][j],end=' ')

# print()

# n=int(input())

# arr=[]

# for i in range(n):

# a=[0]*n

# arr.append(a)

#

# k=1

# for j in range(n) :

# for i in range(n-1,-1,-1) :

# arr[i][j]=k

# k+=1

#

# for i in range(n) :

# for j in range(n) :

# print(arr[i][j],end=' ')

# print()

n,m=map(int,input().split())

arr=[]

for i in range(n):

a=m*[0]

arr.append(a)

k=1

for i in range(n-1,-1,-1) :

for j in range(m-1,-1,-1) :

arr[i][j]=k

k+=1

for i in range(n) :

for j in range(m) :

print(arr[i][j],end=' ')

print()