def suite(n):
    if n <= 1: return [1, 1]
    prev = suite(n - 1)
    ret = []
    last = prev[0]
    num = 0
    for i, e in enumerate(prev):
            if e == last: num += 1
            else:
                    ret += [num, last]
                    num = 1
                    last = e
    ret += [num, last]
    return ret