#! /usr/bin/python2.7

from pylab import *
from numpy import *

import sys

exec('data = {' + sys.stdin.read() + '}')

n = len(data.keys())
i = 1

for k in data.keys():
    subplot(n, 1, i)
    p, = plot(diff(data[k]))
    legend([p], [k])
    i += 1

show()