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