#!/usr/bin/env python

import matplotlib.pyplot as plt
import numpy as np
import sys


bins = input()
step = input()
bins = int(bins.split("\t")[1])
step = float(step.split("\t")[1])
counts = np.loadtxt(sys.stdin)
edges = np.linspace(0, bins*step, bins+1)

plt.rcParams['font.size'] = 17

plt.hist(edges[:-1], edges, weights=counts,
         color='#eacf00', edgecolor='#3d3d3c')
plt.title('Vertical component distribution', loc='right')
plt.xlabel(r'$p_h$')
plt.ylabel(r'$\left<|p_v|\right>$')

plt.show()