View Compilation Error

0_0_38737661_18479.cpp:41:56: error: stray '`' in program
   41 |                                 ans-=((inv[m]*C(i,m))%m`od*C(m-1,n-i*(k)-1)%mod)*f[n]%mod;
      |                                                        ^
0_0_38737661_18479.cpp: In function 'int main()':
0_0_38737661_18479.cpp:41:56: error: expected ')' before 'od'
   41 |                                 ans-=((inv[m]*C(i,m))%m`od*C(m-1,n-i*(k)-1)%mod)*f[n]%mod;
      |                                      ~                 ^~~
      |                                                        )