View Compilation Error

0_0_34056699_19900.cpp: In function 'int main()':
0_0_34056699_19900.cpp:9:16: error: 'N' was not declared in this scope
     while(~Sca(N)){
                ^
0_0_34056699_19900.cpp:3:28: note: in definition of macro 'Sca'
 #define Sca(x) scanf("%d",&x)
                            ^
0_0_34056699_19900.cpp:16:9: error: 'LL' was not declared in this scope
         LL sum = 0;
         ^