View Compilation Error

0_0_17547171_11518\Main.java:4: 错误: 需要class, interface或enum
	public static void main(String[] args){
	              ^
0_0_17547171_11518\Main.java:7: 错误: 需要class, interface或enum
		while(sc.hasNext()){
		^
0_0_17547171_11518\Main.java:9: 错误: 需要class, interface或enum
		a=sc.nextInt();
		^
0_0_17547171_11518\Main.java:10: 错误: 需要class, interface或enum
		b=sc.nextInt();
		^
0_0_17547171_11518\Main.java:11: 错误: 需要class, interface或enum
		int c=0;
		^
0_0_17547171_11518\Main.java:12: 错误: 需要class, interface或enum
		c=a+b;
		^
0_0_17547171_11518\Main.java:13: 错误: 需要class, interface或enum
		System.out.format("%d",c);
		^
0_0_17547171_11518\Main.java:14: 错误: 需要class, interface或enum
		}
		^
8 个错误