View Compilation Error

0_0_38131829_28056.cpp: In function 'int main()':
0_0_38131829_28056.cpp:35:29: error: expected primary-expression before '%' token
         ans2 = (1+n)*n%mod* %mod*(n+1)%mod*(2*n+1)%mod*ck(12,mod-2)%mod*ck(n,n)%mod;
                             ^