#include <stdio.h>

using namespace std;

struct punct{
  int x, int y;
} v[1000];

int search(struct punct p){
  int j;
  for(j=liste[(p.x+p.y)%MOD];j!=0 && !(v[h[j]].x==p.x && v[h[j]].y==p.y);j=nxt[j]);
  return j;
}

void add(int i){
  h[a]
}

int main()
{
  FILE *fi=fopen("patrate3.in", "r"), *fo=fopen("patrate3.out", "w");
  fscanf(fi, "%d", &n);
  for(i=0;i<n;i++){
    fscanf(fi, "%d")
  }
  return 0;
}