View Compilation Error

0_0_38509206_26806.cpp: In function 'void solve()':
0_0_38509206_26806.cpp:3:13: error: expected primary-expression before 'long'
 #define int long long
             ^
0_0_38509206_26806.cpp:10:13: note: in expansion of macro 'int'
     cout << int(sqrt(n)) * int(sqrt(m)) << endl;
             ^