#!/usr/bin/env python
from math import *
from sys import argv
from decimal import *

def calc():
    xa = float(argv[1])
    ya = float(argv[2])
    za = float(argv[3])
    xb = float(argv[4])
    yb = float(argv[5])
    zb = float(argv[6])

    x = float(argv[4]) - float(argv[1])
    y = float(argv[5]) - float(argv[2])
    z = float(argv[6]) - float(argv[3])
    Cx = xb
    Cy = yb
    Cz = zb
    print 'The speed vector coordinates are :'
    print '(%.2f;%.2f;%.2f)' %(x, y, z)

    print 'At time t+' + str(int(argv[7])) + ' ball coordinates will be:'

    for i in range(int(argv[7])):
        Cx = Cx + x
        Cy = Cy + y
        Cz = Cz + z

    print '(%.2f;%.2f;%.2f)' %(Cx, Cy, Cz)
    if argv[6] < 0:
        print 'The ball wont reach the bat.'
    if argv[6] >= 0:
        print 'The incidence angle is :'
        A = (zb - za)  / sqrt(pow(xb-xa , 2) + pow(yb - ya, 2) + pow(zb - za, 2))
        A = 180 * acos(A) / pi - 90

        if A < 0:
            A = -A

        print '%.2f degres'  %(A)


calc()