#!/usr/bin/env python

from pylab import *
import sys

w = loadtxt(sys.stdin, max_rows=2)
cut = float(input())

n, m, d = map(int, input().split())
data  = loadtxt(sys.stdin).reshape(n + m, d)
signal, noise = data[:n].T, data[n:].T

figure()
scatter(*signal, c='xkcd:grey blue', label='signal')
scatter(*noise,  c='xkcd:baby blue', label='noise')
scatter(*(cut * w/np.dot(w,w)), c='red')
arrow(*(-abs(w)), *4*abs(w))
legend()

figure()
sig_proj   = np.dot(w, signal)
noise_proj = np.dot(w, noise)
hist(sig_proj,   color='xkcd:grey blue')
hist(noise_proj, color='xkcd:baby blue')
axvline(cut, c='r')
show()