View Compilation Error

0_0_39256571_5419\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_39256571_5419\Main.java:3: 错误: 需要class, interface或enum
        int T = in.nextInt();
        ^
0_0_39256571_5419\Main.java:4: 错误: 需要class, interface或enum
        BigInteger A;
        ^
0_0_39256571_5419\Main.java:5: 错误: 需要class, interface或enum
        BigInteger B;
        ^
0_0_39256571_5419\Main.java:6: 错误: 需要class, interface或enum
        while(T!=0) {
        ^
0_0_39256571_5419\Main.java:8: 错误: 需要class, interface或enum
            B = in.nextBigInteger();
            ^
0_0_39256571_5419\Main.java:9: 错误: 需要class, interface或enum
            if(A.mod(B).toString().equals("0"))
            ^
0_0_39256571_5419\Main.java:11: 错误: 需要class, interface或enum
            else System.out.println("NO");
            ^
0_0_39256571_5419\Main.java:12: 错误: 需要class, interface或enum
            T--;
            ^
0_0_39256571_5419\Main.java:13: 错误: 需要class, interface或enum
        }
        ^
10 个错误