def Ternary_Search_Minimize(L,R,f,Integer=True,arg=False,ep=1/(1<<20),Times=50): """3部探索による最小値を求める. f:[L,R]内で下に凸または単調減少 """ if Integer: while (R-L)>3: a=(2*L+R)//3 b=(L+2*R)//3 p=f(a);q=f(b) if p<=q: R=b else: L=a a=(2*L+R)//3 b=(L+2*R)//3 else: while (R-L)>=ep and Times: Times-=1 a=(2*L+R)/3 b=(L+2*R)/3 p=f(a);q=f(b) if p<=q: R=b else: L=a a=(2*L+R)/3 b=(L+2*R)/3 if arg: y=float("inf") argx=-1 for x in [L,a,b,R]: p=f(x) if y>p: y=p argx=x return y,argx else: return min(f(L),f(a),f(b),f(R)) #================================================ def quest(x,y,z): print("?",x,y,z) return int(input()) def answer(x,y,z): print("!",x,y,z) exit() #================================================ f=lambda x:quest(x,0,0) g=lambda y:quest(0,y,0) h=lambda z:quest(0,0,z) _,X=Ternary_Search_Minimize(-100,100,f,True,True) _,Y=Ternary_Search_Minimize(-100,100,g,True,True) _,Z=Ternary_Search_Minimize(-100,100,h,True,True) answer(X,Y,Z)