from random import*
q,r,o=map,raw_input,int
a=q(randrange,q(o,r().split(' ')))
m=q(o,r().split(' '))
t=1
while m!=a:print sum([(c-d)**2for c,d in zip(m,a)])**.5;m=q(o,r().split(' '));t+=1
print'You won in %d'%t
ZnJvbSByYW5kb20gaW1wb3J0KgpxLHIsbz1tYXAscmF3X2lucHV0LGludAphPXEocmFuZHJhbmdlLHEobyxyKCkuc3BsaXQoJyAnKSkpCm09cShvLHIoKS5zcGxpdCgnICcpKQp0PTEKd2hpbGUgbSE9YTpwcmludCBzdW0oWyhjLWQpKioyZm9yIGMsZCBpbiB6aXAobSxhKV0pKiouNTttPXEobyxyKCkuc3BsaXQoJyAnKSk7dCs9MQpwcmludCdZb3Ugd29uIGluICVkJyV0