#!/bin/python3

import sys


n,x,y = input().strip().split(' ')
n,x,y = [int(n),int(x),int(y)]
for a0 in range(n):
    latitude,longitude,height,points = input().strip().split(' ')
    latitude,longitude,height,points = [int(latitude),int(longitude),int(height),int(points)]
    # your code goes here
print(5)