Code submission failing code for the que "A Balanced Contest"

Describe your issue

code submission is failing on this problem A Balanced Contest Practice Problem in 1000 to 1400 difficulty problems

Screenshot

Additional info

There is an extra \ at the start of your code.

Status :Unable to connect to the CodeChef servers. Please try again later or, if the problem persists, report to bugs@codechef.com

when I m running the code its showing the above message no matter what I code for this problem.