X,Y=(int(x) for x in input().split())
print(X*Y,X*Y)
for i in range(1,X*Y+1-X):
  if i % Y != 0:
    print(i,i+1)
for i in range(0,X):
  if i != X-1:
    print(1+Y*i,1+Y*(i+1))
  else:
    print(1+Y*i,1)