import math
N=int(input())
cont=0
so_list=[True for i in range(N)]
for i in range(2,int(math.sqrt(N))+1):
    if not so_list[i]:
        continue
    for j in range(i**2,N,i):
        so_list[j]=False
Comparison=N
for i in range(len(so_list)-1,1,-1):
    if so_list[i]:
        cont+=1
        Comparison-=i
        if Comparison==1 or 0:
            break
print('win' if cont%2==0 else 'Lose')