/* 3. ´ÙÀ½ ÇÁ·Î±×·¥ÀÇ Ãâ·ÂÀ» ½á¶ó. */

#include <stdio.h>

struct data {
	int x;
	int y;
};

void add1(struct data a,struct data b, struct data c)
{
	b.x = a.x + c.x;
	b.y = a.y + c.y;
}

void add2(struct data *a,struct data *b, struct data *c)
{
	b->x = a->x + c->x;
	b->y = a->y + c->y;
}

main()
{
	int number[5] = { 1, 2, 3, 4, 5 };
	struct data a;
	struct data b;
	struct data c;

	a.x = number[0];
	a.y = number[1];

	b.x = number[2];
	b.y = number[2];

	c.x = number[3];
	c.y = number[4];

	add1(a,b,c);
	add2(&a,&b,&c);

	printf("%d %d %d %d %d %d\n",a.x,a.y,b.x,b.y,c.x,c.y);
}