-------
-------
answer(m(a,1))
answer(m(a,2))
answer(m(a,3))
answer(m(a,4))
answer(u(a,1))
answer(u(a,2))
answer(u(a,3))
answer(u(a,4))
answer(u(b,1))
answer(u(b,2))
answer(u(b,3))
answer(u(b,4))
remaining(0)
