#include <stdio.h> typedef struct{ int x1; int y1; }vector; int main(){ int n; scanf("%d",&n); vector a[n]; vector sum; for(int i=0;i<n;i++){ scanf("%d%d",&a[i].x1,&a[i].y1); sum.x1+=a[i].x1; sum.y1+=a[i].y1; } printf("%d %d",sum.x1,sum.y1); return 0; }