View Compilation Error

0_0_13809918_18081.cpp:2:5: error: stray '#' in program
  4  #include <cmath>
     ^
0_0_13809918_18081.cpp:2:2: error: expected unqualified-id before numeric constant
  4  #include <cmath>
  ^
0_0_13809918_18081.cpp:4:2: error: expected unqualified-id before numeric constant
  6  
  ^