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

res=[[0 for j in range(m)] for i in range(n)]
dx=[-1,0,1,0]
dy=[0,1,0,-1]

x=0
y=0
d=1
for i in range(1,m*n+1):
    res[x][y]=i
    a,b=x+dx[d],y+dy[d]
    if a<0 or a>=n or b<0 or b>=m or res[a][b]:
        d=(d+1)%4
    x,y=x+dx[d],y+dy[d]

for i in range(n):
    for j in range(m):
        print(res[i][j],end=' ')
    print()