View Compilation Error

0_0_35373929_12914.cpp:3:13: error: expected unqualified-id before 'long'
 #define int long long
             ^
0_0_35373929_12914.cpp:2:20: note: in definition of macro 'lowbit'
 #define lowbit(x) (x&-x)
                    ^
0_0_35373929_12914.cpp:13:19: note: in expansion of macro 'int'
 inline int lowbit(int x){
                   ^
0_0_35373929_12914.cpp:3:13: error: expected ')' before 'long'
 #define int long long
             ^
0_0_35373929_12914.cpp:2:20: note: in definition of macro 'lowbit'
 #define lowbit(x) (x&-x)
                    ^
0_0_35373929_12914.cpp:13:19: note: in expansion of macro 'int'
 inline int lowbit(int x){
                   ^