#include "string.h"
#include "stdio.h"
#define inp "SVOI.INP"
#define out "SVOI.OUT"
int main()
{
	FILE *f1,*f2;
	f1=fopen(inp,"r");
	f2=fopen(out,"w");
	int a[1000][4],n,t,k=0,p,d=0;
	fscanf(f1,"%d%d%d",&n,&t,&p);
	for(int i=0;i<n;i++)
		for(int j=0;j<4;j++)
			fscanf(f1,"%d",&a[i][j]);
	while(d<n||k<n)
		{
			k=0;
			for(int i=0;i<n;i++)
				if(a[i][0]<=t&&a[i][1]<=p&&a[i][0]>-1)
				{
					t+=a[i][2];
					p+=a[i][3];
					a[i][0]=-1;
					d++;
				}
				else 
					k++;
		}
	fprintf(f2,"%d",d);
	fclose(f1);
	fclose(f2);
	return 0;
}