subroutine get_prime(PrimeList, N)
  implicit none
  integer::i,j,N
  integer,parameter::prime=1,nonprime=0,unkown=-1
  integer,allocatable::isPrime(:), PrimeList(:)
  integer,allocatable::numlist(:)

  allocate(isPrime(N))
  isPrime=prime
  isPrime(1)=nonprime
  isPrime(2:3)=prime
  do i=2, FLOOR(SQRT(REAL(N)))
     if(isPrime(i).eq.prime) then
        do j=i+i, N, i
           isPrime(j) = nonprime
        end do
     end if
  end do

  allocate(numlist(N))
  numlist=(/(i,i=1,N)/)
  PrimeList=pack(numlist,isPrime(numlist).eq.prime)
end subroutine get_prime

program main
  implicit none
  interface
     subroutine get_prime(PrimeList, N)
       integer::N
       integer,allocatable::PrimeList(:)
     end subroutine get_prime
  end interface
  integer::N,iswin,i,j
  integer,parameter::win=1,lose=0
  integer,allocatable::W(:),PrimeList(:)

  read *,N

  allocate(PrimeList(N))
  call get_prime(PrimeList, N)

  allocate(W(2*N))

  W(0:1)=win
  w(2:N)=lose

  do i=0, N
     if (W(i).eq.win) cycle
     do j=1, SIZE(PrimeList)
        W(i+PrimeList(j))=win
     end do
  end do

  if(w(N).eq.win) then
     print '(a)',"Win"
  else
     print '(a)',"Lose"
  end if
end program main