View Compilation Error

0_0_34423720_29994.cpp:17:13: error: expected unqualified-id before numeric constant
 #define INF INT_MAX
             ^
0_0_34423720_29994.cpp:19:11: note: in expansion of macro 'INF'
 const int INF = 0x3f3f3f3f;
           ^
0_0_34423720_29994.cpp: In function 'void add(int, int, ll)':
0_0_34423720_29994.cpp:35:31: error: expected '}' at end of input
 void add(int u , int v, ll w) {   //
                               ^