puts"! "+[0,1,2].map{|n|$>.sync=l=-r=150
(a,b=[l,r].map{|i|a=[0]*3
a[n]=i
puts"? "+a*" "
gets.to_i}
c=l+r>>1
a>b ?(l=c):(r=c))while r-l>1
r}*" "