View Compilation Error

0_0_29301842_26795.cpp:104:2: error: stray '@' in program
  @Override
  ^
0_0_29301842_26795.cpp:1:1: error: 'import' does not name a type
 import java.util.*;
 ^
0_0_29301842_26795.cpp:2:1: error: 'import' does not name a type
 import java.io.BufferedReader;
 ^
0_0_29301842_26795.cpp:3:1: error: 'import' does not name a type
 import java.io.InputStreamReader;
 ^
0_0_29301842_26795.cpp:4:1: error: 'import' does not name a type
 import java.math.*;
 ^
0_0_29301842_26795.cpp:5:1: error: expected unqualified-id before 'public'
 public class Main{
 ^