View Compilation Error

0_0_29851942_29756.cpp: In function 'int main()':
0_0_29851942_29756.cpp:96:17: error: 'll' was not declared in this scope
                 ll a=r/T;
                 ^
0_0_29851942_29756.cpp:97:49: error: 'a' was not declared in this scope
     Ans=Add(Ans,Mul(phi[T],Add(Add(Mul(3*T,Sum2(a)),Mul(3,Sum1(a))),a)));
                                                 ^