#include<stdio.h>
long x[50000],y[50000];

void roll(long i,long* xl,long* yl,int r){
	long h,hx=xl[i]-xl[0],hy=yl[i]-yl[0];
	switch(r){
		case 3:
		h=hy;
		hy=hx;
		hx=-h;
		case 2:
		h=hy;
		hy=hx;
		hx=-h;
		case 1:
		h=hy;
		hy=hx;
		hx=-h;
		case 0:
		xl[i]=xl[0]+hx;
		yl[i]=yl[0]+hy;
		return;
	}
}
int main(){
	long m,i,dx,dy,x1,x2,y1,y2;
	int r;
	scanf("%ld",&m);
	for(i=0;i<m;i++){
		scanf("%d %d",&x[i],&y[i]);
	}
	if(m==1){
		printf("? %d %d\n",x[0],y[0]);
		fflush(stdout);
		scanf("%ld %ld",&x[0],&y[0]);
	}else{
		printf("? %ld %ld\n",x[0],y[0]);
		fflush(stdout);
		scanf("%ld %ld",&x1,&y1);
		dx=x1-x[0];
		dy=y1-y[0];
		printf("? %ld %ld\n",x[1],y[1]);
		fflush(stdout);
		scanf("%ld %ld",&x2,&y2);
		x2=x2-x1;
		y2=y2-y1;
		for(i=0;!(x2==x[1]-x[0]) || !(y2==y[1]-y[0]);i++){
			r=x2;
			x2=-y2;
			y2=r;
			
		}
		r=i;
		for(i=1;i<m;i++){
			roll(i,x,y,r);
			x[i]+=dx;
			y[i]+=dy;
		}
		x[0]+=dx;
		y[0]+=dy;
	}
	printf("!\n");
	for(i=0;i<m;i++){
		printf("%ld %ld\n",x[i],y[i]);
	}
	fflush(stdout);
	return 0;
}