#include<stdio.h>
int main()
{
  int n=0;
  scanf("%d",&n);
  int a[n],b[n],j[n],k[n];
  for(int i=1;i<=n;i++){
    scanf("%d %d %d %d",&a[i],&b[i],&j[i],&k[i]);
  }
  int x,y;
  scanf("%d %d",&x,&y);
  int mun=0;
  for(int i=1;i<=n;i++){
    if(a[i]<=x&&y>=b[i]&&x<=a[i]+j[i]&&y<=b[i]+k[i]){
      if(i>=mun){
        mun=i;
      }
      }
    }
  if(mun==0){
    printf("-1");
  }else{
    printf("%d",mun);
  }
  return 0;
}