treeList = ['B1', 'B2', 'J', 'S1', 'S2']
cnt = 0

for i in range(5):
    for j in range(5):
        for k in range(5):
            for l in range(5):
                for m in range(5):
                    if not i in (j, k, l, m) and \
                       not j in (k, l, m) and \
                       not k in (l, m) and \
                       l != m:
                        if (i + k == 1 and j == 2) or \
                           (j + l == 1 and k == 2) or \
                           (k + m == 1 and l == 2):
                               cnt += 1
                               print('({}, {}, {}, {}, {}) {}번째'
                                     .format(treeList[i],
                                             treeList[j],
                                             treeList[k],
                                             treeList[l],
                                             treeList[m], cnt))