K=int(input())
A=[0]*K
P=[0]*K

H=[0]*K

Grundy=0
for i in range(K):
    a,p=map(int,input().split())
    A[i]=a
    P[i]=p

    h=a%(p+1)

    H[i]=h
    Grundy^=h

if Grundy:
    print("Win")
else:
    print("Lose")