C :

#include<stdio.h>
void main()
{
	int a,b,c,d;
	scanf("%d%d",&a,&b);
	scanf("%d%d",&c,&d);
	printf("%d %d",a+c,b+d);
}

C++ :

#include <stdio.h>

int main() {
	int x1, y1;
	int x2, y2;

	scanf("%d %d", &x1, &y1);

	scanf("%d %d", &x2, &y2);


	printf("%d %d\n", (x1+x2), (y1+y2));
	return 0;
}