### My issue

Please help me to solve this question.

My program is successfully executed but some test cases are failing.

Please anyone help me to resolve this problem…!

### My code

```
def replace(a):
if a == 1: return 0
else: return 1
n,x = map(int,input().split())
tweets = []
for j in range(1,n+1):
tweets.append(0)
for i in range(1,x+1):
s = input()
if s == 'CLOSEALL' or s == 'closeall':
for j in range(len(tweets)):
tweets[j] = 0
else:
if int(s[6]) in range(1,n+1):
tweets[int(s[6])-1] = replace(tweets[int(s[6])-1])
print(tweets.count(1))
```

Problem Link: TWTCLOSE Problem - CodeChef