import math
import datetime
def printTimeStamp(name):
 print('Автор програми: ' + name)
 print('Час компіляції: ' + str(datetime.datetime.now()))
printTimeStamp("Pereviznyk and Belyaev")

g = 2*3*4
g1 = 4*5*6
g2 = 6*7*8
g3 = 8*9*10
g4 = 10*11*12
g5 = 12*13*14
g6 = 14*15*16
g7 = 16*17*18
g8 = 18*19*20
g9 = 21*22*23
g10 = 24*25*26
g11 = 26*27*28
g12 = 28*29*30
g13 = 30*31*32
g14 = 32*33*34

pi = 3 + 4/g - 4/g1 + 4/g2 - 4/g3 + 4/g4 - 4/g5 + 4/g6 - 4/g7 + 4/g8 - 4/g9 + 4/g10 - 4/g11 + 4/g12 - 4/g13 + 4/g14
print("Vot",+ pi)
