View Compilation Error

0_0_29137666_26682.cpp:1:1: error: 'package' does not name a type
 package com.zly.nod1027;
 ^
0_0_29137666_26682.cpp:4:1: error: 'import' does not name a type
 import java.io.*;
 ^
0_0_29137666_26682.cpp:6:1: error: 'import' does not name a type
 import java.util.*;
 ^
0_0_29137666_26682.cpp:8:1: error: 'import' does not name a type
 import java.math.*;
 ^
0_0_29137666_26682.cpp:9:1: error: expected unqualified-id before 'public'
 public class Main
 ^