def main(argv):
    import sys
    secid = argv[1]
    for l in pick_section(secid, sys.stdin):
        sys.stdout.write(l)

def pick_section(i, lines):
    k = "id=" + i

    # skip to i
    for l in lines:
        if k in l:
            yield l
            break

    # print stuff to the next h3
    for l in lines:
        if '<h3' in l:
            break
        yield l

if __name__ == '__main__':
    import sys
    main(sys.argv)