import sys
import matplotlib.pyplot as plt
with open(sys.argv[1], 'r') as f:
    X = [float(x.strip().split()[-1]) for x in f.readlines()]
with open(sys.argv[2], 'r') as f:
    Y = [float(x.strip().split()[-1]) for x in f.readlines()]
plt.plot(X,Y,'ro')
plt.show()