import os, sys, time

for x in range(0,int(os.environ['RANGE'])):
    print(x)
    sys.stdout.flush()
    time.sleep(int(os.environ['INTERVAL']))

import os, sys, time

for x in range(0,int(os.environ['RANGE'])):
    print(x)
    sys.stdout.flush()
    time.sleep(int(os.environ['INTERVAL']))
