View Compilation Error

0_0_32345866_5055.cpp: In function 'int main()':
0_0_32345866_5055.cpp:7:12: error: expected primary-expression before 'long'
 #define ll long long 
            ^
0_0_32345866_5055.cpp:24:7: note: in expansion of macro 'll'
    if(ll(i*i+i*(i+1)+(i+1)*(i+1))==x)
       ^
0_0_32345866_5055.cpp:7:12: error: expected ')' before 'long'
 #define ll long long 
            ^
0_0_32345866_5055.cpp:24:7: note: in expansion of macro 'll'
    if(ll(i*i+i*(i+1)+(i+1)*(i+1))==x)
       ^