Problem in python compiler challenges in math catalan number

#1

import math
n=int(input())
Cn=math.factorial(2*n)//(math.factorial(n))**2
print(Cn//(n+1))

I ran the same code in codechef compiler and it ran perfectly fine. Why is it not working here.

#2

it is working on hacker blocks perfectly fine and passing all testcase

check once agian