#include <stdio.h>
typedef struct xiang{
int x,y;
}x;
int sum_x,sum_y;
int main()
{
    int n;
    x b;
    scanf("%d",&n);
    
    for(int i=1;i<=n;i++)
    {
        scanf("%d%d",&b.x,&b.y);
        sum_x+=b.x;
        sum_y+=b.y;
    }
    printf("%d %d",sum_x,sum_y);
    return 0;

}