h,w=map(int,input().split())
s=[[1]*w for i in range(h)]
def put(s):
    for l in s:print(*l)
def cnt(s):
    res=0
    for i in range(h):
        for j in range(w):res+=s[i][j]
    print(res)
if h%2==w%2==0:
    cnt(s)
    put(s)
elif h%2==0 and w%2==1:
    for i in range(h):s[i][0]=0
    cnt(s)
    put(s)
elif h%2==1 and w%2==0:
    for j in range(w):s[0][j]=0
    cnt(s)
    put(s)
else:
    if h<w:
        for j in range(w-h):
            s[0][j]=0
        for j in range(w-h,w):
            s[(j-w+h)%h][j]=0
        cnt(s)
        put(s)
    else:
        for i in range(h-w):
            s[i][0]=0
        for i in range(h-w,h):
            s[i][(i-h+w)%w]=0
        cnt(s)
        put(s)