f = open('iii.log', 'r')

q = {}
for line in f.readlines():
    parts = line.split(" ")
    if (parts[4] == "(2031)"):
        # threadid, barcode, time
        # print parts[3], parts[10], parts[1]

        q[(parts[3], parts[10])] = parts[1]

    if (parts[4] == "(2032)"):
        #print q[(parts[3], parts[10])], parts[1]

        then = q[(parts[3], parts[10])]
        now = parts[1]

        then = then.replace(":", ".")
        now = now.replace(":", ".")

        then = then.split(".")
        now = now.split(".")

        then = (int(then[0]) * 3600) + (int(then[1]) * 60) + int(then[2])
        now = (int(now[0]) * 3600) + (int(now[1]) * 60) + int(now[2])

        print now - then

        del q[(parts[3], parts[10])]

    #print "interleaved: %d" % (len(q))