View Compilation Error

0_0_32007191_13263\Main.java:2: 错误: 需要class, interface或enum
calss A{
^
0_0_32007191_13263\Main.java:4: 错误: 需要class, interface或enum
public static void main(String[] args){
              ^
0_0_32007191_13263\Main.java:6: 错误: 需要class, interface或enum
   int b = a.nextInt();
   ^
0_0_32007191_13263\Main.java:7: 错误: 需要class, interface或enum
   int c = a.nextInt();
   ^
0_0_32007191_13263\Main.java:8: 错误: 需要class, interface或enum
   System.out.println(b+c);
   ^
0_0_32007191_13263\Main.java:9: 错误: 需要class, interface或enum
}
^
6 个错误