ex G

while True:
    try:
        entrada = int(input())
    except:
        break
    
    if entrada == 0:
        break
    else:
        vetor = [None] * entrada
        aux = 1
        
        for i in range(entrada):
            vetor = []
        
        k = 0
        while k < entrada:
            vetor.append(aux)
            if aux == 4:
                aux += 4
            else:
                aux += 2
            k += 1
            if aux == entrada:
                vetor.append(aux)
                aux = 4
                k+=1
    print('Discarded cards: ', end = ' ')
    for j in range(len(vetor)):
        if j == len(vetor)-1:
            print('\nRemaining card: ', vetor[j])
        elif j == len(vetor)-2:
            print(vetor[j], end = '')
        else:
            print(vetor[j], end = ', ')