#!/usr/bin/env python
import os
import sys
import datetime

# subroutine that returns the time since 1970 in seconds to high precision
def TimestampSec():
    return (datetime.datetime.utcnow() - datetime.datetime(1970, 1, 1)).total_seconds()

########### MAIN program ############

# get arguments
args = sys.argv
nargs = len(sys.argv)

# get start time
start_time = TimestampSec()

# run parallel program
os.system('./a.out')

# get end time and compute total runtime
end_time = TimestampSec()
print('Runtime: ', end_time - start_time, 's')