View Compilation Error

0_0_37768009_9797.cpp: In function 'long long int lehmer_pi(long long int)':
0_0_37768009_9797.cpp:6:12: error: expected primary-expression before 'long'
 #define LL long long
            ^
0_0_37768009_9797.cpp:77:24: note: in expansion of macro 'LL'
     LL sum=getphi(x,a)+LL(b+a-2)*(b-a+1)/2;
                        ^