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