4
no smoking
2
1
4
4
2
4
1
3
2
1
2
2
1
2
4
1
5
4
1
6
4
2
1
4
1
0
2
3
4
2
6
2
0
1
0
5
1
1
0
2
1
2
2
2
2
3
4
3
1
