#!/usr/bin/env python3


import re
import sys


def getint(m, i):
    return int(m.group(i))


def parse_ts(ts):
    m = re.match(r'(\d+)-(\d+)-(\d+) (\d+):(\d+):(\d+)', ts)
    assert m is not None
    year = getint(m, 1)
    month = getint(m, 2)
    day = getint(m, 3)
    hour = getint(m, 4)
    minute = getint(m, 5)
    second = getint(m, 6)
    return hour * 3600 + minute * 60 + second


build_starts = re.compile(r'^Build starts at (?P<ts>.*)$')
build_ends = re.compile(r'^Build ends at (?P<ts>.*),')
action_starts = re.compile(r'^Action starts at (?P<ts>.*):$')
action_ends = re.compile(r'^Action ends at (?P<ts>.*),')
patterns = [
    build_starts,
    build_ends,
    action_starts,
    action_ends,
]

pairs = {
    build_starts: build_ends,
    build_ends: build_starts,
    action_starts: action_ends,
    action_ends: action_starts,
}

started = {
    build_starts: None,
    action_starts: None,
}

names = {
    build_starts: 'Build',
    action_starts: 'Action',
}

durations = []

for line in sys.stdin:
    for pat in patterns:
        m = pat.match(line)
        if m is None:
            continue
        ts = m.group('ts')

        if pat in started:
            started[pat] = parse_ts(ts)
        else:
            ended = parse_ts(ts)
            start_pat = pairs[pat]
            print(names[start_pat], ended - started[start_pat])
        break