View Compilation Error

0_0_25295926_28299\Main.java:2: 错误: 需要class, interface或enum
	public void main(String[] args)
	       ^
0_0_25295926_28299\Main.java:5: 错误: 需要class, interface或enum
  int a;
  ^
0_0_25295926_28299\Main.java:6: 错误: 需要class, interface或enum
  int sum;
  ^
0_0_25295926_28299\Main.java:7: 错误: 需要class, interface或enum
  while(sc.hasNext())
  ^
0_0_25295926_28299\Main.java:9: 错误: 需要class, interface或enum
	  a = sc.nextInt();
	  ^
0_0_25295926_28299\Main.java:10: 错误: 需要class, interface或enum
	  for(int i=1; i<=a; i++)
	  ^
0_0_25295926_28299\Main.java:10: 错误: 需要class, interface或enum
	  for(int i=1; i<=a; i++)
	               ^
0_0_25295926_28299\Main.java:10: 错误: 需要class, interface或enum
	  for(int i=1; i<=a; i++)
	                     ^
0_0_25295926_28299\Main.java:13: 错误: 需要class, interface或enum
	  }
	  ^
0_0_25295926_28299\Main.java:15: 错误: 需要class, interface或enum
  }
  ^
10 个错误