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  1. t=int(input())
  2. for _ in range(0,t):
  3. n=int(input())
  4. v=list(map(int,input().split( )))
  5. p=list(map(int,input().split( )))
  6. v.sort()
  7. p.sort()
  8. k=1
  9. for i in range(0,n):
  10. if(p[i]<v[i]):
  11. k=0
  12. break
  13. if(k==1):
  14. print("WIN")
  15. else:
  16. print("LOSE")
Success #stdin #stdout 0.02s 27712KB
stdin
2
6
10 20 50 100 500 400 
30 20 60 70 90 490 
5
10 20 30 40 50 
40 50 60 70 80
stdout
LOSE
WIN