0_0_20740429_18733\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args){
^
0_0_20740429_18733\Main.java:3: 错误: 需要class, interface或enum
int a=cin.nextInt(),b=cin.nextInt();
^
0_0_20740429_18733\Main.java:4: 错误: 需要class, interface或enum
System.out.println(a+b);
^
0_0_20740429_18733\Main.java:5: 错误: 需要class, interface或enum
}
^
4 个错误
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