#include<stdio.h>
#include<vector>

using namespace std;

int n,*a,*b,*c,*d;

vector <int> v;

bool orz(int i,int j)
{
	int tmp=0;
	if(a[i]>a[j])tmp++;
	if(b[i]>b[j])tmp++;
	if(c[i]>c[j])tmp++;
	if(d[i]>d[j])tmp++;
	if(tmp>2)return true;
	return false;
}

int main()
{
	freopen("hjjhvf.in","r",stdin);
	freopen("hjjhvf.out","w",stdout);
	int i,j;
	scanf("%d\n",&n);
	a=new int[n+10];
	b=new int[n+10];
	c=new int[n+10];
	d=new int[n+10];
	for(i=1;i<=n;i++)
	{
		scanf("%d%d%d%d",&a[i],&b[i],&c[i],&d[i]);
	}
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n;j++)
		{
			if(i==j)continue;
			if(orz(i,j)){v.push_back(i);break;}
		}
	}
	printf("%d\n",v.size());
	for(i=0;i<v.size();i++)
		printf("%d\n",v[i]);
	return 0;
}