40

(a)  

80

(a)  

13

(a)  

100

(a)  

60

(a)  

4

(a)  

1

(a)  

11

(a)  

2

(a)  

19

(a)  

20

(a)  

50

(a)  

17

(a)  

15

(a)  

8

(a)  

70

(a)  

30

(a)  

12

(a)  

1000

(a)  

6

(a)  

1000000

(a)  

16

(a)  

90

(a)  

7

(a)  

10

(a)  

14

(a)  

9

(a)  

5

(a)  

18

(a)