View Compilation Error

0_0_29437200_18162\Main.java:1: 错误: 需要class, interface或enum
Scanner scanner=new Scanner(System.in);
^
0_0_29437200_18162\Main.java:2: 错误: 需要class, interface或enum
while(scanner.hasNextInt()) 
^
0_0_29437200_18162\Main.java:5: 错误: 需要class, interface或enum
 K=scanner.nextInt();
 ^
0_0_29437200_18162\Main.java:6: 错误: 需要class, interface或enum
 if(M==0&&K==0)
 ^
0_0_29437200_18162\Main.java:9: 错误: 需要class, interface或enum
 n=M;
 ^
0_0_29437200_18162\Main.java:10: 错误: 需要class, interface或enum
 sum=M;
 ^
0_0_29437200_18162\Main.java:11: 错误: 需要class, interface或enum
while(sum>=K)
^
0_0_29437200_18162\Main.java:14: 错误: 需要class, interface或enum
 sum=sum%K+sum/K;
 ^
0_0_29437200_18162\Main.java:15: 错误: 需要class, interface或enum
}
^
0_0_29437200_18162\Main.java:17: 错误: 需要class, interface或enum
}
^
10 个错误