def mark(s, x):
    for i in range(x + x, len(s), x):
        s[i] = False
# return prime list where less than n
def sieve(n):
    s = [True] * n
    for x in range(2, int(n ** 0.5) + 1):
        if s[x]: mark(s, x)
    return [i for i in range(0,n) if s[i] and i > 1]

if __name__ == "__main__":
    N = int(input())
    if N <= 3:
        print("Lose")
    else:
        slist = sieve(N - 1)
        WLList = [False] * (N+1)
        checkList = []
        for x in range(4, N+1):
            if x-2 in slist:
                checkList.append(x-2)
            checkList2 = list(map(lambda p : x-p, checkList))
            for y in checkList2:
                if WLList[y] == False:
                    WLList[x] = True
        if WLList[N]:
            print("Win")
        else:
            print("Lose")