def main():
    import math
    from sys import stdin
    N = int(stdin.readline().rstrip())
    
    # 素数判定関数
    def isPrime(num):
        if num < 2:
            return False
        elif num == 2:
            return True
        elif num % 2 == 0:
            return False
        
        for i in range(3, math.floor(math.sqrt(num))+1, 2):
            if num % i == 0:
                return False
        
        # 上記以外の場合。素数。
        return True
    
    # 素数判定
    def callIsPrime(input_num=1000):
        numbers = []
        for i in range(1, input_num, 2):
            if isPrime(i):
                numbers.append(i)
        return numbers

    # Win/Loseリスト作成
    def MakeList(input_num):
        Prime_list = callIsPrime(input_num)
        Win_list = set()
        Lose_list = set()
        Lose_list.add(2)
        win_flg = False
        for i in range(3, input_num+1): #input_numは入力値
            for num in Prime_list:
                if num >= i:
                    break
                elif (i-num in Lose_list):
                    win_flg = True
                    break
            if win_flg:
                Win_list.add(i)
            else:
                Lose_list.add(i)
            win_flg = False

        return Win_list
    
    Win_judge = MakeList(N)

    if N in Win_judge:
        print("Win")
    else:
        print("Lose")

if __name__ == '__main__':
    main()