#!/usr/bin/python
import os,sys,math
m = 105.65837
if len(sys.argv)!=2:
    print 'usage: make_stopping_plots.py   file.txt'
    sys.exit(-1)
f = file(sys.argv[1],'r')
fl = f.readlines()
for l in fl:
    ls = l.split()
    if len(ls) == 4:
        try:
            z = float(ls[1])
            print z/1E8
        except:
            pass