x, y = map(int, input().split())
print(x*y, x*y)
for i in range(x):
    for j in range(1, y):
        print(x*i+j, x*i+j+1)
    if i == x-1:
        print(x, x*(i+1))
    else:
        print(x*(i+1), x*(i+2))