View Compilation Error

0_0_37942030_2657\Main.java:3: 错误: 需要class, interface或enum
public static void main(String[] args){
              ^
0_0_37942030_2657\Main.java:5: 错误: 需要class, interface或enum
  int n = input.nextInt();
  ^
0_0_37942030_2657\Main.java:6: 错误: 需要class, interface或enum
  int m = input.nextInt();
  ^
0_0_37942030_2657\Main.java:7: 错误: 需要class, interface或enum
  int sum = 0;
  ^
0_0_37942030_2657\Main.java:8: 错误: 需要class, interface或enum
  for(int i = n; i <= m; i++){
  ^
0_0_37942030_2657\Main.java:8: 错误: 需要class, interface或enum
  for(int i = n; i <= m; i++){
                 ^
0_0_37942030_2657\Main.java:8: 错误: 需要class, interface或enum
  for(int i = n; i <= m; i++){
                         ^
0_0_37942030_2657\Main.java:10: 错误: 需要class, interface或enum
  }
  ^
0_0_37942030_2657\Main.java:12: 错误: 需要class, interface或enum
}
^
9 个错误