A, B = map(int, input().split())

L = A**2+B**2
tileA = []
tileB = []
if A >= B:
    for i in range(L):
        tileA.append((i*A%L, i))
    for i in range(L):
        tileB.append(((A+A*i)%L, (-B+1+i)%L))
else:
    for i in range(L):
        tileB.append((i*B%L, i))
    for i in range(L):
        tileA.append(((B+B*i)%L, (-A+1+i)%L))

for a in tileA:
    print(*a)
for b in tileB:
    print(*b)