first = input() group_num = int(input()) group_list = [] for _ in range(group_num):     group_list.append(input().split(',')) ready = [first] hear = [] while ready:     a = ready.pop(0)     for group in group_list:         if a in group:             for j in group:                 if j != a and j not in hear:                     ready.append(j)             group_list.remove(group)     ready = list(set(ready))     hear.append(a) hear.extend(ready) print(len(hear), end='') 第三题这样也只有70...