recursive function game(W,N,isPrime, PrimeList, numLessPrime) result(iswin)
  implicit none
  integer,parameter::prime=1,nonprime=0
  integer,parameter::win=1,lose=0,unkown=-1
  integer::N,iswin,i,this
  integer,allocatable::W(:),isPrime(:),PrimeList(:),numLessPrime(:)

  if(W(N).ne.unkown) then
     iswin = W(N)
     return
  else
     iswin = lose
     do i = numLessPrime(N),1, -1
        this = PrimeList(i)
        if(N-this.le.3) cycle
        iswin = win - game(W,N-this, isPrime, PrimeList, numLessPrime)
        W(N)  = iswin
        if(iswin .eq. win ) then
           return
        end if
     end do
     return
  end if

end function game

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

  isPrime=prime
  isPrime(1)=nonprime
  do i=2, floor(SQRT(REAL(N)))
     if(isPrime(i).eq.prime) then
        do j=2*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
     recursive function game(W,N,isPrime, PrimeList, numLessPrime) result(iswin)
       integer::N,iswin
       integer,allocatable::W(:), isPrime(:), PrimeList(:),numLessPrime(:)
     end function game
     subroutine get_prime(isPrime, PrimeList, N)
       integer::N
       integer,allocatable::isPrime(:),PrimeList(:)
     end subroutine get_prime
  end interface
  integer::N,iswin,i,total
  integer,parameter::win=1,lose=0,unkown=-1
  integer,allocatable::W(:),isPrime(:),PrimeList(:),numLessPrime(:)
  integer,parameter::prime=1,nonprime=0

  read *,N
  allocate(W(N))
  allocate(isPrime(N))
  allocate(PrimeList(N))
  allocate(numLessPrime(N))

  call get_prime(isPrime, PrimeList, N)

  W(0:3)=lose
  W(4:N)=unkown

  total=0
  do i=1,N
     numLessPrime(i)=total
     if(isPrime(i).eq.prime) total=total+1
  end do

  iswin = game(W,N,isPrime, PrimeList, numLessPrime)

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