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