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

swap = False
if A < B:
    A, B = B, A
    swap = True

L = A**2+B**2

ansA = []
ansB = []

cnt = 0
S = set()
for i in range(L):
    h, w = (A*cnt+i*B)%L, i*A%L
    if (h, w) in S:
        cnt += 1
        h += A
        h %= L
    ansA.append((h, w))
    S.add((h, w))
cnt = 0
S = set()
for i in range(L):
    h, w = i*B%L, (A+B*cnt+i*A)%L
    while (h, w) in S:
        cnt += 1
        w += B
        w %= L
    ansB.append((h, w))
    S.add((h, w))

if swap:
    A, B = B, A
    ansA, ansB = ansB, ansA

for x, y in ansA:
    print(x, y)
for x, y in ansB:
    print(x, y)

#test
# ans = [["."]*L for _ in range(L)]
# for h, w in ansA:
#     for i in range(A):
#         for j in range(A):
#             if ans[(h+i)%L][(w+j)%L] != ".": print("NG(A)")
#             ans[(h+i)%L][(w+j)%L] = "o"
# for h, w in ansB:
#     for i in range(B):
#         for j in range(B):
#             if ans[(h+i)%L][(w+j)%L] != ".": print("NG(B)")
#             ans[(h+i)%L][(w+j)%L] = "x"
# for a in ans:
#     print("".join(a))
#test