#include
    
     typedef struct X_L{	double x;	double y;}X_L;int main(){	X_L v1,v2;	double a,b;	while(scanf("%lf%lf%lf%lf",&v1.x,&v1.y,&v2.x,&v2.y)!=EOF)	{		a=v1.x+v2.x;b=v1.y+v2.y;		if((v1.x+v2.x)>-0.05&&(v1.x+v2.x)<0.05) a=0.0;		if((v1.y+v2.y)>-0.05&&(v1.y+v2.y)<0.05) b=0.0;		printf("(%0.1lf, %0.1lf)\n",a,b);	}	return 0;}