0
0
0
0
0
give me(give me(give me(give me(give me(give me(0))))).begin(),goodbay(goodbay(goodbay(goodbay(1)))).end())
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0