View Compilation Error

0_0_29409949_22823\Main.java:1: 错误: 需要';'
package acm
           ^
0_0_29409949_22823\Main.java:3: 错误: 需要class, interface或enum
 public static void main(String[] args) {
               ^
0_0_29409949_22823\Main.java:5: 错误: 需要class, interface或enum
	 while(sc.hasNextInt()) {
	 ^
0_0_29409949_22823\Main.java:7: 错误: 需要class, interface或enum
		 int b = sc.nextInt();
		 ^
0_0_29409949_22823\Main.java:8: 错误: 需要class, interface或enum
		 System.out.println(a+b);
		 ^
0_0_29409949_22823\Main.java:9: 错误: 需要class, interface或enum
	 }
	 ^
6 个错误