here is the input
this is the article#

a 1
b 0
c 1
d 0
e 5
f 0
g 0
h 4
i 5
j 0
k 0
l 1
m 0
n 1
o 0
p 1
q 0
r 2
s 3
t 5
u 1
v 0
w 0
x 0
y 0
z 0