p
o
w
e
r
p
2
r
a
n
g
e
n
1
0
0
k
p
+
1
k
B
k
-
k
+
p
+
1
n
1
p
+
1
p
r
o
d
u
c
t
s
0
1
1
1
0
0
0
0
0
0
1
3
1
0
0
0
0
0
0
3
1
3
1
2
1
0
0
0
0
1
3
5
0
0
0
2
3
1
6
1
0
0
1
3
5
0
3
s
u
m
o
f
p
o
w
e
r
s
3
3
8
3
5
0