X, Y = list(map(int, input().split()))
N = X * Y
M = X * Y

print(N, M)
for i in range(Y - 1):
  for j in range(1, X + 1):
    a = i * X + j
    b = (i + 1) * X + j
    print(a, b)

for i in range(1, X + 1):
  a = (Y - 1) * X + i
  if i != X:
    b = (Y - 1) * X + i + 1
  else:
    b = (Y - 1) * X + 1
  print(a, b)