#include<cstdio>
#include<cmath>
int k[10000],p;
double t;
int main()
{
	freopen("camera.in","r",stdin);
	freopen("camera.out","w",stdout);
	double x1,y1,x2,y2,fx,fy,x,y,u,v,ans;
	int max=0,i,n,ans2;
	scanf("%d %lf %lf %lf %lf",&n,&x1,&y1,&x2,&y2);
	for(i=1;i<=n;i++)
	{
		scanf("%lf %lf %lf %lf",&x,&y,&u,&v);
		t=0;
		while(t<=1000)
		{
		   if(x>=x1&&y>=y1&&x<=x2&&y<=y2)
			{
				p=t*10;
				k[p]++;
				if(k[p]>max){max=k[p];ans=t;}
			}
			x+=u/2;
			y+=v/2;
			t=t+0.5;
		}
	}
	ans2=ans;
	printf("%d",ans2);
	return 0;
}