40
__
50
=
4
__
12
=
8
__
20
=
10
___
100
=
4
_
8
=
8
__
10
=
30
__
40
=
8
__
12
=
3
__
30
=
3
_
9
=
4
__
40
=
10
__
40
=
2
__
20
=
30
__
50
=
4
_
6
=
12
__
16
=
4
__
16
=
10
__
15
=
20
__
50
=
12
__
15
=
5
__
15
=
6
_
9
=
10
__
30
=
6
__
15
=
3
__
12
=
2
_
8
=
5
__
20
=
6
_
8
=
9
__
15
=
2
_
6
=
4
__
10
=
2
__
10
=
3
__
15
=
6
__
10
=
10
__
20
=
20
__
30
=
4
__
20
=
5
__
10
=
16
__
20
=
9
__
12
=
40
__
50
=
4
_
5
4
__
12
=
1
_
3
8
__
20
=
2
_
5
10
___
100
=
1
__
10
4
_
8
=
1
_
2
8
__
10
=
4
_
5
30
__
40
=
3
_
4
8
__
12
=
2
_
3
3
__
30
=
1
__
10
3
_
9
=
1
_
3
4
__
40
=
1
__
10
10
__
40
=
1
_
4
2
__
20
=
1
__
10
30
__
50
=
3
_
5
4
_
6
=
2
_
3
12
__
16
=
3
_
4
4
__
16
=
1
_
4
10
__
15
=
2
_
3
20
__
50
=
2
_
5
12
__
15
=
4
_
5
5
__
15
=
1
_
3
6
_
9
=
2
_
3
10
__
30
=
1
_
3
6
__
15
=
2
_
5
3
__
12
=
1
_
4
2
_
8
=
1
_
4
5
__
20
=
1
_
4
6
_
8
=
3
_
4
9
__
15
=
3
_
5
2
_
6
=
1
_
3
4
__
10
=
2
_
5
2
__
10
=
1
_
5
3
__
15
=
1
_
5
6
__
10
=
3
_
5
10
__
20
=
1
_
2
20
__
30
=
2
_
3
4
__
20
=
1
_
5
5
__
10
=
1
_
2
16
__
20
=
4
_
5
9
__
12
=
3
_
4