/in/foo.cc: In member function 'void P3::Do()':
/in/foo.cc:48:25: error: unable to find numeric literal operator 'operator""ans'
      if(Q[A[i][j]].l!=m+1ans=(ans-(Q[A[i][j]].r-Q[A[i][j]].l))%Mod;
                         ^~~~
/in/foo.cc:48:25: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes
/in/foo.cc:48:67: error: expected ')' before ';' token
      if(Q[A[i][j]].l!=m+1ans=(ans-(Q[A[i][j]].r-Q[A[i][j]].l))%Mod;
                                                                   ^